Answer:
A) They form covelant bonds
Explanation:
covelant bonding occurs when pairs of electrons are shared by atoms.
all organisms contribute some water to the water cycle by conducting
All organisms contribute to the water cycle through cellular respiration (option d), which adds water to the atmosphere that then participates in the hydrologic cycle.
All organisms contribute to the water cycle primarily through the process of cellular respiration (option d). During cellular respiration, organisms convert glucose and oxygen into carbon dioxide, water, and energy. Water is released as a metabolic product, adding moisture to the atmosphere. This water can then re-enter the water cycle through processes such as evaporation and transpiration. The hydrologic cycle is sustained by this continuous exchange of water between living organisms and the environment.
It is important to note that although photosynthesis also involves water, it is utilized to create glucose, with oxygen as a byproduct. The question specifically asks about the contribution of water to the water cycle, and while photosynthesis is essential for producing the glucose used in cellular respiration, it is not the direct process by which organisms release water into the cycle.
What are the functions of bones
Answer:
There's lots
Explanation:
Bones have many functions. They support the body structurally, protect our vital organs, and allow us to move. Also, they provide an environment for bone marrow, where the blood cells are created, and they act as a storage area for minerals, particularly calcium.
Hello There!
I broke this question down into 3 main functions of bones and will briefly explain each one.
"SUPPORT" Almost like the steel framework of a building, bones provide rigidity. This gives the body shape and supports the weight of muscles and organs. Without this, the body would collapse on itself.
"MOVEMENT" There are 3 major systems involved with the mechanics of movement. These are the "Nervous System" "Muscular System" And "Skeletal System" The nervous system send electrical impulses that activate our muscles.
"PROTECTION" Bones protect soft inner body organs from getting damaged. An example is the scull protects the brain from getting damaged.
how do air masses interact to form a cyclone?
Answer:
Air moves in a spiraling pattern from centers of high pressure toward centers of low pressure.
Explanation:
Answer:Air moves in a spiraling pattern from centers of high pressure toward centers of low pressure.
Explanation: :)
Consider the following hypothesis:
Soybean plants produce more soybeans when given nitrogen-nich fertilizer.
Which of these should the experiment do in order to best test this
hypothesis?
A. Compare the heights of soybean plants grown with and without
nitrogen-rich fertilizer
B. Compare the masses of soybeans obtained from plants grown
with and without nitrogen-rich fertilizer
C. Measure the amount of nitrogen in the soil before and after
harvesting soybeans
D. Measure the rate of water absorption by soybean plants before
and after receiving fertilizer
Final answer:
To test if nitrogen-rich fertilizer increases soybean production, compare the masses of soybeans from plants grown with the fertilizer to those without it, and control other variables. So the correct option is B.
Explanation:
To best test the hypothesis that soybean plants produce more soybeans when given nitrogen-rich fertilizer, you should compare the masses of soybeans obtained from plants grown with and without nitrogen-rich fertilizer. To conduct the experiment:
Identify two groups of soybean plants, one as the experimental group that will receive the nitrogen-rich fertilizer and one as the control group that will not receive the fertilizer.Ensure that all other variables, such as the amount of water, sunlight, and the type of soil, are kept constant across both groups.At the end of the growing season, harvest the soybeans from both groups and compare the masses of the harvested soybeans to see which group produced more.By measuring the mass of soybeans rather than other factors such as height or water absorption rates, you are directly assessing the outcome relevant to the hypothesis.
When the ATP synthase molecules are open, the hydrogen ions move out of the thylakoid. how does the cell ise kinetic energy of the moving ions?
A. To split ATP into ADP and phosphate group
B. To combine ADP with a phosphate group to produce ATP.
C. To alter the shape of the photosystem ll protine
D. To power the electron transport chain
Answer:
The correct answer will be option-B.
Explanation:
ATP synthase is a multi-enzyme complex which is used to produce ATP as a result of the flow of protons in the mitochondria as well as the chloroplast.
The ATP synthase consists of two units- F₀ and F₁ in which the F₀ unit is embedded in the membrane and acts as a way to the protons whereas the F₁ contains the catalytic subunit which changes its conformation to form ATP from ADP and Pi.
The enzyme complex in chloroplast contains its F₁ portion towards the stroma and the protons flow from the inside of the thylakoid to stroma through F₀. The enzyme uses this energy to synthesize the ATP molecules from ADP and Pi.
Thus, Option-B is the correct answer.
Having freckles (F) is dominant over not having freckles (f). A parent with freckles is crossed with a parent without freckles. The Punnett square shows the possible genotypes of the offspring.
What is the probability that an offspring will have a homozygous dominant genotype?
%
What is the probability that an offspring will have a heterozygous genotype?
%
What is the probability that an offspring will have a homozygous recessive genotype?
%
Answer:
A: Freckles (Ff) B:No freckles (ff) C: Freckles (Ff) D:No freckles (ff)
A Monohybrid cross is a cross among two individuals with different variations of a trait located on the same locus of importance.
The dominant allele is: Having freckles: F
The recessive allele is: Not having freckles: f
For a cross between Heterozygous dominant parent (Ff) and purebred recessive parent (ff) refer to the image given below:1.The probability of an offspring being a purebred dominant genotype: 0%
2.The probability of an offspring being heterozygous: 50%
3.The probability of offspring to be purebred recessive: 50%
In another case where the dominant parent is purebred (FF) and the other parent is purebred recessive (ff) then:
1.The probability for offspring to be purebred dominant: 0%
2.The probability of an offspring to be heterozygous: 100%
3.The probability of offspring to be purebred recessive: 0%
Therefore, the Punnett square is used to show the cross between the heterozygous dominant and purebred recessive parent.
To learn further about monohybrid cross click the given link below:
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What is the gel-like fluid that fills the cell and surrounds the organelles?
Answer:
The cytoplasm.
Explanation:
This gel-like fluid helps the cell keep its shape and allows substances to move around the cell.
Answer:
The correct answer will be- Cytoplasm.
Explanation:
The cytoplasm is a transparent, clear and gel-like material enclosed by the cell membrane of the cell.
The cytoplasm is made up of main water but contains important constituents required by the cell-like enzymes, salts, organic molecules and mainly cell organelles.
The cell organelles always remain suspended in the cytoplasm where it acts as a site for a various metabolic reaction like transcription and glycolysis.
Thus, the cytoplasm is the correct answer.
Which of the following would be an example of basic research?
Edison's research that led to inventing the light bulb.
Morrison and Franscioni's research done to create the Frisbee.
Newton's discoveries of the laws of motion.
Spencer's research that led to the invention of the microwave oven.
Answer:
c
Explanation:
Newton's discoveries of the laws of motion.
An example of basic research is Newton's discoveries of the laws of motion.
What is basic research?Basic research is experimental or theoretical work undertaken primarily to acquire new knowledge of the underlying foundations of phenomena and observable facts, without any particular application or use in view.Basic research, also called pure research or fundamental research, is a type of scientific research with the aim of improving scientific theories for better understanding and prediction of natural or other phenomena. In contrast, applied research uses scientific theories to develop technology or techniques which can be used to intervene and alter natural or other phenomena.Functioning of the human brain, Man’s behavior, Newton's discoveries of the laws of motion, Impact of technology on everyday life are examples for basic research.To learn more about basic research, refer to: https://brainly.com/question/8307601
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what molecule contains an organisms genetic material, passed down from parents to their offspring
Answer:
DNA. genetic material passed down generationa
That would be DNA aka genetic material.
The long-term increase in the average temperature on Earth is referred to as _[blank]_.
global cooling
ozone cooling
global warming
ozone warming
Answer:
global warming
Explanation:
The long term increase in the average temperature on earth is known as global warming. It occurs due to the presence of carbon dioxide (CO₂) and other green house gases in the earth's atmosphere. CO₂ molecules have tendency to trap radiations from sun. This is the reason why the earth's atmosphere remains warm even after sun set. Because of this, the average temperature of earth is rising which is mainly responsible for melting of glaciers and has many other adverse effects on animals, natural resources, plants etc.
Which of the following best states the difference between an alcohol and an ether?
In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.
In an ether, a carbon atom is double bonded to an oxygen atom; in an alcohol, a carbon atom is triple bonded to another carbon atom.
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH–); in an ether, an oxygen atom is single bonded to two carbon atoms.
In an ether, a carbon atom is single bonded to a hydroxide group (OH–); in an alcohol, an oxygen atom is single bonded to two carbon atoms.
Answer:
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH-); in an ether, an oxygen atom is single bonded to two carbon atoms.
The third alternative is correct
Explanation:
The difference between an alcohol and an ether in terms of structure and bonding is;
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH-); in an ether, an oxygen atom is single bonded to two carbon atoms.
Answer:C
Explanation:
The idea that viruses originated as genetic material that was able to move within a genome, eventually exiting a cell and entering another is the _____ hypothesis.
Answer:
Progressive hypothesis
Explanation:
According to this hypothesis, the viruses originate with a progressive process. The mobile of the moving parts of genetic material capable of moving within a genome, gained the ability to withdraw from one cell and enter into another. In other words, viruses have risen from genetic elements that have gained the ability to move between cells .
Answer:
Progressive
Explanation:
According to this hypothesis, the viruses originate with a progressive process. The mobile of the moving parts of genetic material capable of moving within a genome, gained the ability to withdraw from one cell and enter into another. In other words, viruses have risen from genetic elements that have gained the ability to move between cells .
PENN
Darwin recorded distinct species of finches on different islands in the Galapagos. The images below show two species of finches he observed.
On island X, he saw both species of finches. On island Y. he only saw the finch on the right. Based on these observations, what is the most likely
conclusion Darwin would have made?
Answer:
There was a variety of food available on island X, but there were only large seeds and nuts on island Y.
Explanation:
Darwin would conclude that the finches likely shared a common ancestor when they came to the island, but exhibited different traits. Each species of finch settled on the island where its particular traits would be the most adaptive.
Explanation:Darwin's most likely conclusion based on his observations of distinct finch species on different islands in the Galapagos would be that the finches likely shared a common ancestor when they came to the island. Each species of finch settled on the island where its particular traits would be the most adaptive. The variation in beak shapes and sizes among the finch species indicated that each species had adapted to different food resources available on the different islands.
What part helps equalize the pressure within the ear?
Answer: The "Eustachian tube" helps equalize the pressure within the ear.
__________________________________________
Hope this helps!
Best wishes to you!
__________________________________________
what , measurement unit represents volume?
(A) Kilometer
(B) square centimeter
(C) centigram
(D) liter
Answer:
(D) liter
Explanation:
It is the SI unit of measuring volume.
liter is the unit capacity, formerly defined as the one kilogram of water.it is used to measure volume and is equal to 1000 cubic centimeters or 1 cubic one decimeter.
Which of the following is most likely the result of an organism having lipids in its body
A) water cannot be absorbed through the surface of a leaf
B)human eats fruits to get a quick source of energy
C) a sheep sleeps for more hours in the winter
D) a warm river is filled with fish and algae
Which of the following would most likely be formed by erosion?
Mountain
Valley
Flat Plain
Volcano
(The text is attached above. Please state why YOU think the answer is, aswell as what you think the TEXT states)
Answer:
Valley
Explanation:
Weathering and Erosion can "wear down mountains and carve plains"
I also just submitted the assignment and valley was marked correct.
what are the first cells to arrive at a bacterial infection
Answer: neutrophils i hope this helps
Answer:
Neutrophils
Explanation:
High neutrophils in the blood count can be a sign of bacterial or fungal infection. That's because neutrophils are the first cells to reach a bacterial infection. Neutrophils are a type of white blood cell, blood defense cells that participate in fighting infections caused by fungi and bacteria.
However, the number of neutrophils can also be high in cases of inflammation, tumor, bleeding, use of certain medications, among others.
Neutrophil levels may also be elevated in some temporary situations, such as infarction, after intense physical exercise, postoperatively, medication use (lithium, corticosteroids, epinephrine), smoking, pregnancy and newborns in the first days after delivery.
If you complete multiple trials of your experiment, that is called ____.
A) Repetition
B) Restitution
C) Replication
D) Repudiation
Answer:
A, repititon
Explanation:
If you are compeleting it more than once that means you are repeadting it
Answer:
A) Repetition
Explanation:
If you complete several attempts on your experiment, this is called repetition.
The repetition serves to safely answer the experimental data that will be used its average values and is used with the objective of trying to avoid the effect of the environment in the studied variables as much as possible.
It is quite common to choose 3 repetitions, as a good number to start. This is because the number 3 avoids the invariability of the number 1, escapes the danger of coincident repetition represented by the number 2, and already presents some variation, which in most cases is already sufficient to test the variability determined by the variation factors and by the repetitions.
The negative change found inside the plasma membrane is created by _________________.
potassium ions
sodium ions
hydrogen ions
chlorine ions
The negative charge that found inside the plasma membrane is created by movement of potassium ions.
Explanation:
The concentration of the potassium ions is very high inside the cell but low outside the cell whereas the concentration of both Sodium and chloride ions is more outside the cell but less inside the cell. Inside of the cell plasma membrane is negatively charged in spite of having large positively charged potassium ion concentration due to the presence of organic anions in large amount and leaks of potassium ions.
These anions are the charged group of the proteins and other organic molecules. As the membrane is more permeable to the movement of potassium ions outside the cell, the comparative ratio of the concentration of organic anion to cation increases with the decreasing cations concentration and causes the membrane to have a negative charge on the inside.
Why do scientists use tables and graphs
Hello There!
Scientists use tables and graphs because it is a visual representation of their results. Also, with tables it keeps their data organized. If a scientist is dealing with certain percents, a pie chart would come in handy.
Color blindness is a recessive trait. The gene for color blindness is on the X-
chromosome. The family tree below shows the trait of color blindness. The
only unknown is the mother in the first generation.
TO
What must be true about the mother?
O
A. She has at least one recessive color blindness allele.
O
B. She only has one X chromosome.
O
C. She is color-blind,
O
D. She has two recessive color blindness alleles.
The statement 'she has at least one recessive color blindness allele' must be TRUE about the mother (Option A).
What is chromosome X inheritance?Chromosome X is a special type of chromosome whose inheritance pattern is different from Mendelian inheritance.
Males receive only one X chromosome, whereas females receive two X chromosomes.A carrier is an individual who inherits one defective allele (in this case, the color-blindness allele).In conclusion, the statement 'she has at least one recessive color blindness allele' must be TRUE about the mother (Option A).
Learn more about X chromosome inheritance here:
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Please help! I've been trying to figure this out for weeks! Please help, brainliest! I don't understand this. Please help!
Answer:
You could “design” a home that uses solar energy instead of fossil fuels.
Solar energy is a great replacement to fossil fuels because it is abundant everywhere in the world, does not run out, does not release pollutants/contribute to global warming, and is always available.
You did not use wind or water energy because they are not as widely accessible or as easy to utilize as solar energy. Both require large instillations of intricate machines/systems in specific areas with water sources or high winds.
People will probably have solar energy in their homes in the future because it is efficient, accessible, and abundant.
This element is solid, forms the backbone of many compounds, and life is based on it. What is it?
Answer:
Carbon is your answer.
The vaccine in a flu shot contains weakened flu viruses. How does a flu shot
work with the immune system?
A. It destroys lymphocytes.
B. It destroys macrophages.
C. It activates macrophages.
D. It activates lymphocytes.
Answer:
The correct answer is option D. "It activates lymphocytes".
Explanation:
Vaccines based on weakened pathogens work by activating lymphocytes without producing a major infection, in what is known as producing an immunostimulating effect. This is the case for the flu shots, the weakened viruses activate lymphocytes to produce antibodies while the viruses are quickly eliminated. Next time the person is in contact with the flu virus, the immune system will be protected with the memory cells that were produced by activating the lymphocytes.
Answer:
It activates lymphocytes.
Explanation:
In each transformation of energy , some energy what?
Answer:
An energy transformation is the change of energy from one form to another. Energy transformations occur everywhere every second of the day. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and chemical.
How does a catalyst influence a chemical reaction?
Answer:
A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction.
Explanation:
A catalyst influence a chemical reaction is that catalysts speed up the rates of chemical reactions, but are not an integral part of the reactions themselves. A catalyst changes the rate of a reaction by providing an alternative pathway with a lower activation energy
How does a catalyst influence a chemical reaction?A catalyst is a substance that can alter the rate of a chemical reaction while itself remains chemically unchanged at the end of the reaction.Catalysts can be classified into positive catalysts and negative catalysts (inhibitors).A positive catalyst is a catalyst that increases the rate of a reaction.A negative catalyst is a catalyst that decreases the rate of a reaction.A catalyst does not change the quantity of the products formed. It only alters the rate of the reaction.The presence of a positive catalyst increases the rate of a reaction.To learn more about the catalyst, refer to: https://brainly.com/question/18318379
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what are characteristics of minerals? select 3 choices
Answer:
natural, inorganic, Crystalline Structure
Explanation:
Answer:
Solid, Crystal structure, Definite chemical composition
Explanation:
ATP, an energy carrier molecule, is classified with nucleic acids.
True or false
Answer:
True
Explanation:
ATP – or Adenosine Triphosphate – is the primary energy carrier in all living organisms on earth. Microorganisms capture and store energy metabolized from food and light sources in the form of ATP.
When the cell requires energy, ATP is broken down through hydrolysis. The high energy bond is broken and a phosphoryl group is removed. The energy released from this process is used to drive various cellular processes. ATP is constantly formed and broken down as it participates in biological reactions and it is central to the health and growth of all life. Without it, cells could not transfer energy from one location to another, making it impossible for organisms to grow and reproduce.
ATP is a nucleotide that consists of three main structures: the nitrogenous base, adenine; the sugar, ribose; and a chain of three phosphate groups bound to ribose.
ATP, an energy carrier molecule, is not classified with nucleic acids. Nucleic acids are molecules that store and transfer genetic information, while ATP is primarily involved in energy transfer.
Explanation:The statement that ATP, an energy carrier molecule, is classified with nucleic acids is false. While ATP (Adenosine triphosphate) is a molecule involved in energy transfer within cells, it is not classified as a nucleic acid. Nucleic acids are biological molecules that store and transfer genetic information in the body and include DNA and RNA. ATP, however, consists of an adenine nucleotide bound to three phosphate groups and is primarily involved in transferring energy rather than genetic information.
Learn more about ATP and nucleic acids here:https://brainly.com/question/33731813
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Who are the final link in the energy flow in a food chain or food web?
are the final link in the energy flow in a food chain or food web.
Answer:
Explanation:
depending on which enviorment which you have not included