Answer:
The answer is very likely C.
Explanation:
This becomes easy once we remember that DNA and RNA are not identical - which is why they have different names, RNA = 'ribo', DNA = 'deoxy.' This eliminates choice (A). While they are different, they are not incredibly different - DNA and RNA are both made up of nucleotides - they are not however, made up of Amino acids. Amino acids are what they can code for, and subsequently create proteins during protein synthesis. This helps us eliminate (B). Finally, we know that in order for something to have base pairs it needs to be double stranded - which RNA is not. Which means that because RNA is not double stranded (its singly stranded) that the answer cannot be (D). Leaving us with the only plausible option; (C).
The backbones of both DNA and RNA consist of nucleotides made of sugars, phosphate groups, and bases, with DNA using deoxyribose and thymine, whereas RNA uses ribose and uracil, making option C the correct answer.
The backbones of DNA and RNA are composed of a chain of nucleotides, which include a sugar, a phosphate group, and a base. However, the sugar in the DNA backbone is deoxyribose, while in RNA, it is ribose. Moreover, DNA contains the base thymine, unlike RNA, which contains uracil instead of thymine. Therefore, while they have a similar structure regarding their backbone, composed of a sugar-phosphate chain, the precise components and bases do differ between the two.
In conclusion, the backbones of DNA and RNA are made of alternating sugars and phosphate groups, but are not identical due to the differences in the sugar component and the bases they contain. The correct answer to the provided question is C: made of alternating sugars and phosphate groups.
How is NADPH different from NADP+?
Answer:
The carriers that move energy from the light-dependent reactions to the Calvin cycle reactions can be thought of as “full” because they bring energy. After the energy is released, the “empty” energy carriers return to the light-dependent reactions to obtain more energy. You should be familiar with the energy carrier molecules used during cellular respiration: NADH and FADH2. Photosynthesis uses a different energy carrier, NADPH, but it functions in a comparable way. The lower energy form, NADP+, picks up a high energy electron and a proton and is converted to NADPH. When NADPH gives up its electron, it is converted back to NADP+.
what evidence did Mendel find that supported his law of independent assortment?
A. Most traits have a dominant and a recessive form
B. Some traits are controlled by a combination of several genes.
C. One trait does not affect whether another trait will be passed on.
D. Recessive traits only appear when the offspring has two recessive alleles
Answer: Option C
Explanation:
Law of independent assortment is one of the three laws given by Mendel concludes that the traits do not influence other trait which is received from another gene.
Two alleles of the two or more different gene gets sorted into gametes and is independent.
There is no relationship in the traits and its passing on. The traits whether passed on or not are affected by each other.
Answer:
one trait does not affect whether another trait will be passed on
Explanation:
Fill in the blank.
What do you call the substances in the following reaction?
Carbon dioxide and water combine in a reaction to produce carbonic acid. Carbon dioxide and water are ___________________________.
Answer:
Answer is substrates
Explanation:
I AM TIMED
The data from a replicated experiment are very different from the data obtained during the initial experiment.
Which statements identify possible reasons for the difference in the data? Check all that apply.
The initial experiment was not a valid experiment.
The replicated experiment was performed incorrectly.
The replicated experiment used a different laboratory.
The initial experiment involved more trials and data.
The replicated experiment changed the variables being tested.
Answer: The initial experiment was not a valid experiment.
The replicated experiment was performed incorrectly.
The initial experiment involved more trials and data.
The replicated experiment changed the variables being tested.
Explanation:
The initial experiment is the one which is conducted for the first time. The repeated experiment is the experiment is the experiment which is conducted by the researcher as done in the initial experiment so as to check the results and validity of the initial experiment.
The difference in the data occurs in the initial experiment and repeated experiment. This is because of the following reasons:
The initial experiment was not a valid experiment. : The initial experiment may consists of incorrect results due to lack of precision or application of incorrect methodology.
The replicated experiment was performed incorrectly. : The results of replicated experiment may be incorrectly performed which has resulted in yield of results which can be different to the initial experiment.
The initial experiment involved more trials and data. : The initial experiment data can be more accurate than that of the replicated data due to the fact that the initial experiment has undergone with more number of trials and data.
The replicated experiment changed the variables being tested. : The change of variables will make the methodology of the replicated experiment different from that of initial experiment. Hence, data from the two experiments will be different.
Answer:
The initial experiment was not a valid experiment. The replicated experiment was performed incorrectly. The initial experiment involved more trials and data. The replicated experiment changed the variables being tested.Explanation:
A replicated experiment is one that is performed with the same given factors and variables as an earlier experiment. This replication serves to validate the results of the previous experiment, as it must have the same results, regardless of whether they are performed in different laboratories. When the replicated hope presents different results from the previous experiment, the probable things that may have happened are:
The initial experiment was not a valid experiment. The replicated experiment was performed incorrectly. The initial experiment involved more trials and data. The replicated experiment changed the variables being tested.list two ways in which water reaches the ocean
Answer:
Precipitation and runoff
Explanation:
The oceans get water in several different manners, with some of them being through precipitation, and through runoff. Whenever there is precipitation on the ocean waters, the water from it of course ends up in it, thus it accumulates it. Also, when there's precipitation on the land, a runoff appears. The runoff is simply the water from the precipitation that moves on the surface, downhill, and usually ends up in some water body. Part of the runoff ends up in the oceans, and that is the runoff that appears on the slopes that are near the ocean and are sloping toward the ocean waters.
Final answer:
Water reaches the ocean through surface runoff and groundwater discharge that feeds into streams and rivers, and via ocean currents and upwelling, which recycle water through the ocean's depths and surface.
Explanation:
Ways Water Reaches the Ocean
Water reaches the ocean through various complex processes. Here are two primary ways:
Surface Runoff and Groundwater Discharge: Water that falls as precipitation on land can travel as overland flow or through groundwater systems to eventually reach streams and rivers, which carry it to the ocean. This process involves surface runoff from rain and melting snow, which collects in rivers and lakes, and groundwater discharge where water infiltrates into the soil and joins aquifers that feed into larger bodies of water.
Ocean Currents and Upwelling: Ocean water is constantly on the move, affected by surface currents driven by global wind patterns, and the mixing of different water densities. Dense water sinking in certain areas, like off Antarctica, causes deeper water to move along the ocean bottom, eventually rising elsewhere in a process known as upwelling, which also contributes to water reaching the ocean.
Both of these processes are integral to the global water cycle where water from the oceans evaporates, condenses into clouds, and falls back to Earth as precipitation, completing the cycle when it returns to the ocean.
What group of organic molecules is made up of a sequence of an amion group, a carboxyl group, a hydrogen atom and a side chain bonded to the central carbon atom?
AProteins
B Carbohydrates
C Nucleic acids
D Lipids
Proteins is made up of a sequence of an amion group, a carboxyl group, a hydrogen atom and a side chain bonded to the central carbon atom.
Answer:A
The group of organic molecules that consist of an amino group, a carboxyl group, a hydrogen atom, and a side chain bonded to a central carbon atom is known as proteins. The side chain, or R group, varies between different amino acids.
Explanation:The group of organic molecules made up of a sequence of an amino group, a carboxyl group, a hydrogen atom, and a side chain bonded to the central carbon atom is known as Proteins. Unlike nucleic acids, lipids, and carbohydrates, proteins are the only type of molecules that have this specific structure. This structure is known as an amino acid, and many of these amino acids link together to form proteins. The side chain, or R group, varies between different amino acids, and these variations provide the diversity in protein function and structure.
Learn more about Proteins here:https://brainly.com/question/36537530
#SPJ2
Which water-soluble vitamin may build to a toxic level?
A. folate
B. niacin
C. pantothenic acid
D. riboflavin
E. thiamin
Final answer:
While most water-soluble vitamins are excreted and not stored in the body, niacin (Vitamin B3) can build to toxic levels, causing various adverse effects.
Explanation:
The question asks which water-soluble vitamin may build to a toxic level. Water-soluble vitamins, in general, are not stored in the body to a significant extent and are excreted in the urine when consumed in excess. However, most of the vitamins listed (folate, niacin, pantothenic acid, riboflavin, thiamin) are considered safe at high intakes, but niacin (Vitamin B3) can cause toxic effects when taken in large amounts, especially in the form of supplements. This condition, known as niacin toxicity, can result in symptoms like skin flushing, itching, impaired glucose tolerance and gastrointestinal upset. As such, while all the vitamins mentioned are water-soluble, niacin is notably the one with a recognized potential for building to toxic levels if consumed excessively.
The karyotype represents a meiotic accident called __________ which, in this case, results in a condition called ____________. This condition causes females to be short in stature, lack secondary sex characteristics, and to be sterile.
A) deletion; metafemale
B) deletion; Klinefelter syndrome
C) nondisjunction; Down's syndrome
Eliminate
D) nondisjunction; Turner's syndrome
Answer: The answer is D. Nondisjunctive; Turner's syndrome
Explanation:
Hope this helps
The karyotype represents a meiotic accident called nondisjunction which, in this case, results in a condition called Turner's syndrome. This condition causes females to be short in stature, lack secondary sex characteristics, and to be sterile. Thus, option D is correct.
What is Nondisjunction ?Nondisjunction has the inability of the sister chromatids or the homologous chromosomes to correctly split during cell division (mitosis/meiosis). Nondisjunction will take one of three different forms:
failing to the separate a homologous pair of the chromosomes during meiosis I; failing to separate sister chromatids during meiosis II; failing to the separate sister chromatids during mitosis. Daughter cells with aberrant chromosomal numbers occur from nondisjunction (aneuploidy).Before the somatic cells has been divide by the mitosis, the genetic material has been replicated in the S phase. Each chromosome has been made up of two sister chromatids that has been joined at the centromere. The cell divides, the sibling chromatids that separate and move to opposing cell poles during the anaphase of mitosis.
Therefore, option D is correct.
Learn more about S phase on:
https://brainly.com/question/10386886
#SPJ3
the graph illustrates what has happened over an 8 year period when non native nile perch were introduced to lake malawi in africa environmental factors remained the same during this period based in the data what recommendations would you make to african biologists
Answer:
The Nile perch is competitively excluding the pike cichlid. The graph clearly shows strong competition for resources, and that the Nile perch is winning.
Explanation:
the answer is A
Based on the data, the recommendation would you make to African biologists is to remove the remaining pike cichlids, as they are competing with the Nile perch. Thus, option A is correct.
What is the illustration made by the African biologists?The graph illustrates what has happened over an 8 year period where non-native perch were introduced into Lake Malawi in Africa. Environmental factors remained the same during this period (i.e. temperature, pH, water levels,etc).
Remove the remaining pike cichlids, as they are competing with the Nile perch is the recommendation would you make to African biologists is to remove the remaining pike cichlids, as they are competing with the Nile perch.
Environmental change has been consists many factors, such as the natural disaster, human interferences, or the animal interactions. It has been also included the physical change. In environmental change natural systems transform the sun's energy into living matter and cause changes by cycling material through geological, biological, oceanic and atmospheric processes.
Therefore, Based on the data, the recommendation would you make to African biologists is to remove the remaining pike cichlids, as they are competing with the Nile perch. Thus, option A is correct.
Learn more about Environmental change on:
brainly.com/question/28549893
#SPJ2
How can pollution be found in greater amounts at higher trophic levels compared to lower trophic levels?
A. Biosphere expansion
B. Water cycle pollution
C. Pollution dispersity
D. Biological magnification
Answer:
How can pollution be found in greater amounts at higher trophic levels compared to lower trophic levels?
A. Biosphere expansion
B. Water cycle pollution
C. Pollution dispersity
D. Biological magnification
Hope this helps :)
Have a great day !
5INGH
Explanation:
Answer: D. Biological magnification
Explanation:
A food chain is a linear sequence of transfer of food and energy when one organism is consumed by another organism. The transmission of food and energy takes place from the lower trophic level to higher trophic levels when organisms of the lower trophic level are consumed by the organisms of higher trophic levels.
Biological magnification is a phenomena in which a toxic material or pollutant enters into the food chain. The material remains undigested in the body of the organisms and causes detrimental effects. The organisms at the highest trophic levels decline in number due to the increase in concentration of the toxic at the higher level as they consume organisms of the lower trophic levels.
According to the given situation, biological magnification is the correct option because here the amounts of pollution at the higher trophic levels is the greatest as compared to the lower trophic levels.
5.06 Electromagnetic Spectrum Guided Notes.
The__________is a range of wavelengths and frequencies of electromagnetic radiation.
A ______________ is the distance between the crest of successive waves.
What is frequency?
What is the relationship between wavelength and frequency of radiation on the electromagnetic spectrum.
______________ at astronomical observations capture this light even better, providing a clearer picture of out galaxy.
Answer: Electromagnetic spectrum.
Explanation: It is composed of Gamma rays with the highest energy to radio waves with the lowest energy. It between in descending order (with regard to energy) is; X-rays, Ultraviolet, Visible Light, Infrared, Microwave. The higher the energy level the lower the wavelength and the higher the frequency.
Answer: Wavelength
Explanation: Ideally, the wavelength is the distance between two consecutive identical phases of a wave. It could be a peak to another peak or a trough to another trough. Usually, the lower the energy level of the wave, the bigger the wavelength and vice versa. It is measured in meters, millimeters or even picometers depending on the size of the wavelengths.
Explanation: Frequency is the amount of time that it takes for a wave to complete once a cycle, that is, to repeat a phase. Gamma rays have the highest frequency in the electromagnetic spectrum while radio waves have the lowest.
Explanation: Frequency is indirectly proportional to wavelength. This means that the higher the frequency the smaller the wavelength and vice versa. In addition, therefore, converse to wavelength, the higher the energy of a wave, the higher the frequency and vice versa. It is calculated by dividing one (1) with the wavelength of the wave. It is measured in Hertz
Answer: Telescopes
Explanation: Their basic principle of telescopes is that they collect as much light as possible from the aperture (this is why the front end is usually large diameter), and then converges this light using lenses and prisms onto a film. This gives a clear picture from which astronomical features can be clearly discerned,
The electromagnetic spectrum is a range of wavelengths and frequencies of electromagnetic radiation. Frequency refers to the number of oscillations or cycles that occur per unit of time. Telescopes used in astronomical observations capture this light even better, providing a clearer picture of our galaxy.
Explanation:The electromagnetic spectrum is a range of wavelengths and frequencies of electromagnetic radiation. The wavelength is the distance between the crest of successive waves. Frequency refers to the number of oscillations or cycles that occur per unit of time.
The relationship between wavelength and frequency on the electromagnetic spectrum can be described by the wave equation: wavelength = speed of light / frequency. As wavelength decreases, frequency increases, and vice versa.
Telescopes used in astronomical observations capture this light even better, providing a clearer picture of our galaxy.
Learn more about Electromagnetic Spectrum here:https://brainly.com/question/23727978
#SPJ3
What is the difference between covalent and ionic bonds?
A. Ionic bonds are stronger than covalent bonds.
B. Electrons are transferred to form covalent bonds.
C. Electrons are shared to form ionic bonds.
D. Covalent bonds are stronger than ionic bonds.
Answer:
Covalent bonds are stronger than ionic bonds
Explanation:
Ionic bonds are formed by the transfer of electrons from the electropositive element to the electronegative element. Covalent bonds are formed by the mutual sharing of electrons.
Covalent bonds have high bond dissociation energy as compared to the ionic bond. The overlapping of molecular orbital is bigger in case of covalent bond as compared with ionic bonds. Hence, covalents bonds are difficult to break and stronger than ionic bonds.
Thus, the correct answer is option (D).
Covalent and ionic bonds differ in how electrons are shared or transferred. In covalent bonds, electrons are shared between atoms, whereas in ionic bonds, electrons are transferred from one atom to another.
Explanation:The difference between covalent and ionic bonds lies in how electrons are shared or transferred. In a covalent bond, electrons are shared between atoms. This occurs when atoms have similar electronegativities and there is a mutual attraction for the shared electrons. On the other hand, an ionic bond forms when electrons are transferred from one atom to another, resulting in positively and negatively charged ions that attract each other.
For example, let's consider the formation of a covalent bond in a molecule of water (H2O). The oxygen atom has a stronger pull on electrons, so it attracts the shared electrons more than the hydrogen atoms. This leads to a slightly negative charge on the oxygen atom and slightly positive charges on the hydrogen atoms.
In contrast, imagine the formation of an ionic bond between sodium (Na) and chlorine (Cl) to form sodium chloride (NaCl). Sodium has a tendency to lose an electron, resulting in a positively charged sodium ion (Na+), while chlorine has a tendency to gain an electron, forming a negatively charged chloride ion (Cl-). These oppositely charged ions are then attracted to each other, forming an ionic bond.
Learn more about Difference between covalent and ionic bonds here:https://brainly.com/question/33443836
#SPJ6
Haploid cells are
A) mutated cells with missing chromosomes.
B) fused cells with double the chromosome number.
C) sex cells with half the original chromosome number.
D) sex cells with the original chromosome number as the parent cell.
Answer:
C) sex cells with half the original chromosome number.
Explanation:
As a result of fertilization, two haploid cells turn into one diploid cell.
Haploid cells = 1n
Diploid cells = 2n
1n + 1n = 2n
Which hormone is NOT released by the pituitary gland?
A. Oxytocin
B. Growth Hormone Releasing Hormone
C. Testosterone
Oxytocin hormone is not released by the pituitary gland.
What are the functions of oxytocin?Oxytocin's two main physiological effects are lactation and uterine contraction during birthing. The uterine muscles are stimulated to contract by oxytocin, and prostaglandin production.
A hormone called oxytocin is used to initiate or maintain labor as well as to manage bleeding after delivery. Moreover, it is occasionally used to promote milk secretion in breast-feeding.
In certain instances of uterine lethargy, oxytocin may be utilized to reinforce labor. It may also be used as an adjuvant therapy for the management of incomplete or unavoidable abortions.
Learn more about oxytocin:
https://brainly.com/question/3200227
#SPJ3
A prosecuting attorney was given the forensic lab results from the blood-typing activity. She found that the crime-scene blood matched the blood type of one of the suspects’ blood. The prosecutor told the jurors that the crime-scene evidence blood matched the defendant’s blood type. She further stated that this evidence proved that the sus- pect was indeed the perpetrator of the crime.
You are the defendant’s attorney. How would you respond to the prosecutor’s argument that because the blood types matched, then the defendant is proven to be guilty of the crime?
Answer:
The blood type matching is a way too broad way to prosecute a suspect since there are about 8 universal blood groups in total. I would demand a DNA test.
Explanation:
A blood group matching is not an effective test to prove the suspect guilty as universal blood groups are of eight different types and there are very high changes that the blood group can be of someone else than the suspect.
What is Blood typing?Blood typing is the classification of blood into groups, based on the presence or absence of antibodies and the antigenic substances present on the surface of red blood cells. The antibodies are proteins in nature while the antigenic substances can be proteins, carbohydrates, glycolipids, or glycoproteins.
Blood typing cannot be used in forensic investigations as there are very high chances that the blood group found at the site of crime can match other suspects as well which will create more doubt. Therefore, a DNA test can be used as an effective technique to prove the suspect.
Learn more about Forensic science here:
https://brainly.com/question/21601148
#SPJ2
a metal spoon was left in a hot bowl of soup.Explain which heating process is responsible for heating the spoon
Answer:
Conduction
Explanation:
We are given that a metal spoon was left in a hot bowl of soup which resulted in heating up of the spoon.
The heating process which is responsible for heating the spoon is conduction method of transferring heat.
Conduction occurred because bowl and spoon were at different temperatures and were in contact with each other. So the heat flowed from the hotter to the cooler object till they both had the same temperature.
Sarah finds herself in the middle of the Amazon rainforest with different ecosystems. What type of ecological unit is she in?
Answer:
The answer would be biome.
Explanation:
Answer:
Biome
Explanation:
Ecosystem is sum total of biotic and abiotic factors of a geographical area. Many ecosystem together makes a biome. Biome refers to a large geographical region of land characterized by presence of specific climate, soil, plants, and animals, irrespective of its location on the earth. When Sarah finds herself in the middle of the Amazon rainforest with different ecosystems; she is in a "biome".
What does a pyramid of biomass represent? A. Range of food webs found in one trophic level B. Percentage of energy that's passed through each trophic level C. Number of total organisms within each trophic level D. Amount of living tissue within a trophic area
Final answer:
A pyramid of biomass depicts the total mass of living tissue at each trophic level in an ecosystem, demonstrating how biomass decreases from lower to higher levels due to inefficient energy transfer.
Explanation:
A pyramid of biomass represents the amount of living tissue within a trophic level. Biomass refers to the total mass, in a unit area at the time of measurement, of living or previously living organisms within a trophic level. Pyramids of biomass show how this mass decreases from lower to higher trophic levels, because energy conversions are not 100% efficient. Only about 10 percent of the energy is passed from one trophic level to the next, with the rest being used for metabolism, growth, repair, or lost as heat. Option 'D'
Which of these describes the main influence of jet streams on weather patterns? A. Weather systems, such as storms, steer along jet streams. B. Jet streams cause hurricanes to form over warm tropical waters. C. Surface ocean water is pushed toward land by jet streams. D. Jet streams separate high pressure systems from low pressure systems.
Answer:
Actually the correct answer is Weather systems, such as storms, steer along jet streams. because...
Explanation: Jet streams push air masses and can influence and affect weather patterns.
Answer:
Weather systems, such as storms, steer along jet streams.
Explanation:
Jet streams are strong winds that occur in relatively narrow bands. They are found in the upper levels of the atmosphere, around 11,000 meters above the Earth's surface. They influence weather patterns because they steer weather systems such as storms.
Which nucleotide in Figure 13-1 indicates the nucleic acid is RNA?
Guanine
uracil
cytosine
adenine
NEED HELP ASAP!!!!!!!!
Answer:
Uracil
I hope that helps with everyone
Final answer:
Uracil is the nucleotide that indicates the nucleic acid is RNA, as it replaces thymine which is found in DNA.
Explanation:
The nucleotide that indicates the nucleic acid is RNA is uracil. Both DNA and RNA contain the nitrogenous bases adenine, guanine, and cytosine. However, only RNA contains uracil, which replaces thymine that is found exclusively in DNA. In RNA, uracil pairs with adenine, and this pairing is a defining characteristic distinct from the adenine-thymine pairing seen in DNA. Therefore, seeing uracil in a nucleic acid structure is indicative that the molecule is RNA, distinguishing it from DNA.
Which of the following is a correct statement about ecosystems. Energy and matter flow in one direction only. "Energy flows in one direction, matter recycles." Matter flows in one direction while energy recycles. Energy and matter both recycle repeatedly.
Answer:
"Energy flows in one direction, matter recycles."
Explanation:
Matter "returns" to the environment by the deutucators. Energy comes from the sun and is transmitted to higher trophic structures.
Energy flows in one direction, matter recycles." as matter "returns" to the environment by the detectors. Energy comes from the sun and is transmitted to higher trophic structures.
What are the types of energy ?The energy is a parameter which can be defined as the ability to work or produce action that manifests itself in many different ways, such as body movement, heat, electricity, etc.
The different types of energy are Kinetic energy associated with the movement of bodies, Potential energy stored by virtue of a body's position relative to its surface is also called gravitational potential energy.
Chemical energy which is released or formed from chemical reactions, Solar energy from sunlight. This form of energy is used to generate electricity through photovoltaic plates.
Thermal Energy can be defined as the energy associated with the kinetic energy of the molecules and it can be manifested if there is a temperature difference between two bodies.
For more details regarding energy, visit
brainly.com/question/28869293
#SPJ2
What is the dependent variable that impacts the amount of solar energy in a location?
A. Equator
B. Longitude
C. Prime meridian
D. Latitude
Answer:
A equator
Explanation:
The Equator is the center of the earth, the closer you are the more sun you have
Answer is A(equator(
The chemicals used on farms, golf courses, and domestic gardens are often to blame when groundwater becomes contaminated with A. Acid B. Nitrates C. Fuel D. Sewage
Answer:
Nitrates
Explanation:
A. Acid-- acid is right, but not the best answer.
B. Nitrates are fertilizers, which are things that would be used in all of these situations
C. Fuel-- no one is pouring gasoline on their grass to make it grow.
D. Sewage-- same as gas, but this time it is sewage.
Answer:
The correct answer is option B i.e. Nitrates.
Explanation:
1. The golf courses, or cricket and football grounds need a thick sheet of grass growing on them for their perfect performance. Farms do need grasses for animals.
2. Acid is not poured on the grasses to grow. Some nitrates poured on grass may convert into nitric acid, but its not significant.
3. Fuel and sewage are also not poured on golf courses or farms to grow grasses.
4. But nitrates are good fertilizers which leads to growth of grasses and plants, needed for farms and golf courses.
Ben bought two identical plants and placed them on opposite ends of his garden. After several days, he noticed that one grew taller than the other. Ben wants to conduct an experiment to see why one would grow more than another. Ben is in what part of the scientific knowledge process? observation hypothesis scientific question experimentation
Answer: Scientific observation
Explanation:
The reason for this is, Ben is observing the plants, coming up with questions.
Answer: Observation
Explanation:
Observation can be define as the process of visual examination, and monitoring on an entity, or process to derive a conclusion.
In this given example, Ben is likely to observe the plants to know the effect of planting them in corners.
Please answer questions 2 and 3
Answer:
b, a for the answers Yourwlecome
The circulatory system is composed of the
The Circulatory Systems Job Is To Transport Materials Throughout The Body. It Consists Of The HEART, BLOOD And BLOOD VESSELS.
Final answer:
The circulatory system, also known as the cardiovascular system, is vital for transporting materials such as oxygen, nutrients, and hormones throughout the body and is composed of the heart, blood vessels, and blood. It has two main circulations: pulmonary and systemic.
Explanation:
The circulatory system is an essential component of the human body tasked with the transportation of materials like nutrients, oxygen, and hormones to cells, and the removal of waste products away from cells to maintain homeostasis. At the heart of the system, quite literally, is the heart, a muscular organ that pumps blood through a vast network of blood vessels, such as arteries, veins, and capillaries. This system can be broken down into two main circulations: the pulmonary circulation, moving blood between the heart and the lungs, and the systemic circulation, which delivers oxygenated blood to the rest of the body.
Main Components and Functions of the Circulatory System-
The cardiovascular system includes three primary components: the heart, blood vessels, and blood. Each performs a critical role: the heart as the pump, blood vessels as the conduits, and blood as the transport medium carrying vital elements such as oxygen, hormones, and nutrients.
The functions of the circulatory system encompass the delivery of essential substances to the body's cells and the transportation of waste products to organs that can expel them from the body. Together, these elements and their seamless coordination are vital to the survival of the individual.
Is a person's DNA likely to be more similar to the DNA of his or her biological parents or to the DNA of one of his or her first cousins? Explain Your Answer.
Answer:
It's more likely to be similar to their parents,
Explanation: Due to the fact that the combined DNA of the parents helps decide what the offspring looks like, sounds like, what diseases they get & how their body functions. it's highly unlikely for it to be similar to one of the first cousins due to the fact that their mum/dad probably didnt mate with the mum/dad of the first cousin.
I really need help !!!!
Answer:
c
Explanation:
Which of the following is the correct sequence of blood flow in birds and mammals? A. vena cava → right atrium → right ventricle → pulmonary vein. B. vena cava → left atrium → left ventricle → pulmonary artery. C. left ventricle → aorta → lungs → systemic circulation. D. vena cava → right atrium → right ventricle → pulmonary artery
Answer:
D. vena cava → right atrium → right ventricle → pulmonary artery
Explanation:
This is an example of pulmonary circuit.
Venae cavae are a vessels (vena cava interior and superior) that carriy deoxygenated blood from the body to the right atrium. From the right atrium through the tricuspid valve the blood goes into the right ventricle. Then, from the right ventricle through the pulmonary valve the blood goes into the main pulmonary artery which carries deoxygenated blood to the lungs (to recieve oxygen).
The correct sequence of blood flow in birds and mammals is from the vena cava to the right atrium, then to the right ventricle, and finally through the pulmonary artery, which takes deoxygenated blood to the lungs for oxygenation.
Explanation:In both mammals and birds, the correct sequence of blood flow starts at the vena cava, which are large veins that gather deoxygenated blood from the body, and carry it into the right atrium of the heart. From the right atrium, the blood is pumped into the right ventricle. The right ventricle then pumps the blood into the pulmonary artery, which is the vessel responsible for transporting the deoxygenated blood to the lungs for gas exchange. Therefore, the correct choice is vena cava → right atrium → right ventricle → pulmonary artery.
Learn more about Blood Flow here:https://brainly.com/question/31663277
#SPJ3
8. What atom is a noble gas in group 18, row 4?
A. Ar
B. Kr
C. Ne
D. Rn
Answer:
the answer is B: Kr
Explanation:
just FYI...I inserted the chart as well
Answer:
Kr
Explanation: