Lucy, Twiggy, Daka, Boko
Explanation:
Twiggy refers to as the blog logistics. Logistics is a process that is used in planning as well as executing that deals with transportation as well as storage of goods .These goods are transported from the origin to that of the consumption point.
The main goal of logistics defines that it meets the requirement of the customer within the given period of time as well as in a cost effective way.FedEx , DHL and UPS are the most known logistics provider.
Question 24 of 34
1 Point
The diagram below shows the structure of a protein. What is the structure
labeled A?
8
000000
89000
Doo00
00000
000000
09
O
A. A nucleotide
O
B. An amino acid
O
C. A nucleic acid
O
D. An enzyme
Answer:
An amino acid (B)
Explanation:
The diagram shows the structure of a protein. The structure labeled A represents an amino acid.
Proteins are made up of long chains of amino acids that are linked together by peptide bonds to form a polypeptide chain. The specific sequence and arrangement of amino acids in a protein determine its unique three-dimensional shape and function.
The structure labeled A in the diagram of the protein is an amino acid. Amino acids are the building blocks of proteins, and each protein consists of a chain of amino acids joined together by peptide bonds.
The structure of an amino acid consists of an amino group (-NH2), a carboxyl group (-COOH), and a side chain (R group) that varies between different amino acids.
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Which form of virus did Sabin use for the vaccine?
olio?
inactivated
killed
live
Answer
Inactivated
Answer:
Oral poliovirus vaccine or Sabin vaccine, named for its inventor American physician and microbiologist Albert Sabin, was developed. OPV contains live attenuated (weakened) virus and is given orally.
Answer:
inactivated
Explanation:
the vaccine cannot be fully dead otherwise the vaccine wouldn't work. the vaccine cannot be alive because that would give us the disease and we are trying to prevent it. therefore, the vaccine is inactivated
Bella investigated how body systems work together. She made bulleted lists of body systems that have common functions. Which list includes three body systems that have similar functions?
A. -Digestive System
-Nervous System
-Skeletal System
B. -Immune System
-Integumentary System
-Lymphatic System
C. -Cardiovascular System
-Digestive System
-Respiratory System
D. -Reproductive System
-Endocrine System
-Lymphatic System
The list with similar functioning body systems is B: Immune System, Integumentary System, and Lymphatic System. These systems work together to protect the body from external harm, eliminate waste and fight infections.
Explanation:The list that includes three body systems that have similar functions is B: The Immune System, the Integumentary System, and the Lymphatic System.
The Immune System defends the body against pathogens, the Integumentary System (skin, hair, nails) protects the body from damage (such as loss of water or external harm), and the Lymphatic System helps rid the body of toxins, waste and other unwanted materials.
These systems work together to protect the body from external harm, to eliminate waste and to fight infections.
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The correct answer is C. -Cardiovascular System, -Digestive System, -Respiratory System.
These three body systems work together to provide the body with the necessary nutrients and oxygen, as well as to remove waste products. Here's how they function in a coordinated manner:
- The Digestive System breaks down food into nutrients that the body can absorb. It processes the food we eat into energy and basic nutrients, which are then absorbed into the bloodstream.
- The Cardiovascular System transports the nutrients absorbed by the digestive system to all the cells in the body. It also carries oxygen from the lungs to the cells and removes carbon dioxide and other waste products from the cells to be expelled from the body.
- The Respiratory System works closely with the cardiovascular system to oxygenate the blood. It brings oxygen into the body and removes carbon dioxide when we exhale. The oxygen is then picked up by the red blood cells and transported by the cardiovascular system to the tissues.
Together, these systems ensure that the body's cells receive the oxygen and nutrients they need to function and that waste products are removed efficiently. The other options listed do not represent systems with as closely related functions as the cardiovascular, digestive, and respiratory systems.
Which three types of pathogens cause disease by trying to get nutrients from your body?
A. Virus
B. Bacterium
c. Fungus
D. Parasite
Final answer:
Viruses, bacteria, and fungi are three types of pathogens that cause disease by trying to get nutrients from your body.
Explanation:
The three types of pathogens that cause disease by trying to get nutrients from your body are virus, bacterium, and fungus. These pathogens invade your body and replicate inside your cells, using your body's resources to sustain themselves. For example, viruses like the flu virus invade your cells and hijack their machinery to replicate and spread throughout your body. Bacteria like Staphylococcus aureus release toxins that damage your tissues and allow them to feed on the resulting nutrients. Fungi like Candida albicans can produce enzymes that break down your tissues and use the breakdown products as a nutrient source.
Scientific investigations often lead to the formulation of new scientific questions. The observations Charles Darwin's work after
he returned home from his voyage prompted him to ask which question?
-Do living things change over time, and if so, how?
-Are the Galapagos finches and those on the mainland the same species?
-Are pigeons related to the Galapagos finches?
-can selective breeding in nature lead to a new species over time?
*the answer isn’t A**
-Are the Galapagos finches and those on the mainland the same species?
Explanation:
When Darwin visited the Galapagos islands he observed that the small flocks of finches that existed there were very similar to the finches that existed in the mainland of South America except for their beak shape and feeding habits.This prompted him to ask the question that 'Are the Galapagos finches and mainland finches the same species?'Later on studies made it evident that a few groups of mainland finches migrated to the Galapagos island and occupied different niches.They adjusted themselves to the island environment and evolved with new adaptations in beak structure and feeding habits.They are now classified into 14 groups out of which 13 exist in the Galapagos island.The Galapagos finches are divided into three groups: the ground finches, tree finches and Warbler finches.Answer: Can selection in nature also lead to a new species over time.
Explanation: just did the quiz and got it right.
Jayla and her grandma are designing a lunchbox. The lunchbox will be made out
of thin fabric and a zipper, with an extra layer of material to help keep food cold
all morning, Jayla is deciding whether the extra layer of material will be foam or
rubber. The specific heat capacity of each material is shown in the table,
Material Specific Heat Capacity ulkgoc)
Foam
2360
Rubber
1250
Using the data, explain which material would be BEST to include in the
lunchbox
A. The best material to use is rubber, since it is the best conductor. A conductor will help
increase the transfer of heat from inside of the lunchbox to outside of the lunchbox
B. The best material to use is rubber, since it is the best insulator. An insulator will help slow
the transfer of heat from outside of the lunchbox to inside of the lunchbox,
C. The best material to use is foam, since it is the best conductor. A conductor will help
increase the transfer of heat from inside of the lunchbox to outside of the lunchbox
D. The best material to use is foam, since it is the best insulator. An insulator will help slow the
transfer of heat from outside of the lunchbox to inside of the lunchbox
The best material to use is foam, since it is the best insulator. An insulator will help slow the transfer of heat from outside of the lunchbox to inside of the lunchbox. The extra layer will be of foam.
Explanation:
If we compare the specific heat capacity of rubber and foam it can be found that foam has high specific heat capacity, which indicates that it is the good insulator.
An insulator is a substance in which heat exchange between medium and surrounding is very low.
Jayla and her grandma wanted their food to be cold all morning so foam as an insulator is the best choice.
Thus, high specific heat energy means large amount of energy required to raise the temperature by 1 degree in response to the mass of the substance as per unit mass.
Suppose the two possible alleles for the height gene are tall and short. If short is recessive to tall, provide the symbol representation and the phenotype for each of the genotype for this trait.
The allele for short is tt
The phenotype is short and genotype is tt
Explanation:
In Mendelian Genetics, Tall is dominant so written in upper case so the allele will be TT, while the short will have recessive trait allele will be tt.
TT ( dominant tall)
tt (recessive short)
short progeny will always have tt alleles and the phenotypic trait of shortness will appear only when the carrier is homozygous tt.
the three possible alleles for both short and tall feature are:
TT, Tt, tt
The genotype is tt and phenotype is short height. One heterozygous possibility is Tt but T being dominant so 't'will not be expressed.
Considering the new definition of life, all but one piece evidence supports the fact that a virus must be referred to as an organism.
That is:
es 0)
Viruses contain nucleic acids.
Eliminate
Viruses are capable of replication.
Viruses have a simple cellular structure,
Viruses have an evolutionary history and that implies lineage.
Answer:
The correct option is C) Viruses have a simple cellular structure
Explanation:
There is always a debate when considering viruses as a living thing or a non- living thing. Viruses comprise of a genetic material in the form of either DNA or RNA. They have a protein capsid and a tail. They can replicate inside a host cell by by using the host's synthetic machinery. Hence, these qualities make a virus to be considered as a living organism.
Answer:
Viruses have a simple cellular structure
Explanation:
Viruses have a simple structure consisting of a nucleic acid molecule surrounded by a protective protein shell. The nucleic acid is either RNA or DNA. Viruses are capable of replicating inside the host cell by diverting the activities of the host cell, directing it to manufacture new viral particles. The cell of the host then ruptures and releases the viral particles which can infect other cells.
Which is NOT a factor that affects fossilization?
A) age of the organism
B) hard or soft body parts
C) predators destroying the body
D) body decay due to natural elements
Answer:
I think C. predators destroying the body because it's still going to fossilize the same except the body would be in a different shape.
What are the three types of symbiosis?
a. predation, mutualism, and parasitism
b. mutualism, commensalism, and parasitism
c. competition, predation, and commensalism
d. parasitism, predation, and competition
Please select the best answer from the choices provided
A
B
C
D
Explanation:
The three types of symbiosis are:
1. Mutualism: It is a relationship in which both partners benefit each other.
For example: Humans take the oxygen given by the plants. In return, plants takes carbon dioxide, which is exhaled by the Humans.
2. Commensalism: It is a relationship in which only one partner is benefitted while the other is neither benefitted nor harmed.
For example: The tree frogs use plants as a mode of protection.
3. Parasitism: It is a relationship in which one partner (parasite) is benefitted while the other (host) is harmed.
For example: The organisms such as Helminthes stays inside the intestine of the host.
It causes infectious diseases, such as jaundice,diarrhoea, etc.
Answer: its C
Explanation:
3.
Transcription of a _______
results in a molecule of _______.
a. RNA: DNA
b. gene: RNA
c. cytoplasm: gene
d. nucleus: DNA
Answer:
b
Explanation:
because the answer is obvious
Transcription is the process of copying a gene into RNA, specifically messenger RNA (mRNA). This process occurs in the nucleus and the resulting mRNA is used to synthesize proteins in the cytoplasm.
Explanation:Transcription is the process by which a gene is copied into a molecule of RNA. This process occurs in the nucleus of the cell. The resulting molecule of RNA is called messenger RNA (mRNA), which carries the genetic information to the cytoplasm, where it serves as a template for protein synthesis.
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explain what maria and craters are and how they formed?
Maria and craters are explained below:
Explanation:
The Moon is divided into light area lunar highlands and a dark area called Lunar Maria. Lunar Maria is large, dark, basaltic plains formed on earth's moon formed by ancient volcanic eruptions. Craters are formed when an impacting object falls and hits the moon's surface with greater speed and also formed as a result of the outward explosion of rocks. Craters are often caused by asteroids and meteorites with the lunar surface. Unlike earth-moon does not have an atmosphere to protect itself from impacting bodies. This is the reason for more number of craters formed on earth.
Through the course of evolution, do species tend to become simpler or more complex?
more complex {no kap}
Which feature of this rock demonstrates that it is an organic rock
Answer: c
Explanation:
which of these affect earth’s climate over a shorter period of time?
A. changes in solar output
B. changes in ocean currents
C. changes in orbital shape
D. changes in Earth’s tilt
Changes in Ocean Currents.
Explaination:
The changes in ocean currents affects earth's climate over a shorter period of time.
The ocean influences climate by storing solar radiation, distributing heat and moisture around the globe, and driving weather systems.Ocean currents acts like a conveyor belt.It transport warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, ocean currents regulate global climate.When there is no currents in the ocean, regional temperatures would be more extreme super hot at the equator and frigid toward the poles.The earth's place would be unfit to live in.Answer:
Which is an example of human impact on climate changes?
changes in the tilt of Earth’s axis
global warming
changes in solar output
Explanation:
Answer global warming
As a result of increases in carbon dioxide levels, as well as other greenhouse gases, global temperatures have increased. This increase is called global warming.
A model of segregation of alleles during meiosis is shown here. A student hypothesizes that failure for chromosomes to segregate
during meiosis might impact the phenotype of the resulting offspring, if those gametes are fertilized. What question is most relevant
for the student to ask about the outcome of a lack of segregation of chromosomes?
Answer:
Explanation:
If a gamete forms without segregation of chromosomes, will a triploid offspring survive?
Meiosis is the reductional division process that reduces the chromosome number. Will a triploid progeny survive is the question that should be asked.
What is segregation in meiosis?Segregation is the process of the separation of the paired homologous chromosomes for the formation of the two sister chromatids during the meiosis process of cell division.
If the process of segregation is absent then the cell will remain diploid and in the process of reproduction will fuse with another haploid cell to form a triploid gamete cell.
Therefore, the question should be about the survival of triploid organisms.
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Which of the following fields of study relates to the way that human cultures govern and make laws, including laws
about the environment?
Answer:
Political science
Explanation:
Political science can be described as a field under which the systems of the politics and analysis of political activities are done. This field analyzes the various political reforms which might have occur in the past and how politics can be made better. The scientific analysis of the political activities also comes under the branch of political science.
Early-onset Alzheimer’s disease affects people under the age of 65. Less than five percent of people who are diagnosed with Alzheimer’s disease have this type. Many cases of early-onset Alzheimer’s disease are inherited, a type known as familial Alzheimer’s disease (FAD). Which statement is best supported by this information?
Answer:
With respect to the cases of early-onset Alzheimer’s disease are inherited, a type known as familiar Alzheimer’s disease (FAD), the statement is best supported by this information is that FAD is the result of a genetic change in one or more chromosomes.
Explanation:
Options for this question:
FAD is the result of a genetic change in one or more chromosomes.Natural selection will continue to reduce the incidence of FAD.FAD affects only the genes of middle-aged people.Deletion of one amino acid causes FAD.Alzhaimer's disease is a type of dementia that is characterized by neuronal degeneration, causing disorientation, memory and manual skills loss , among others. The familiar variety (FAD) is hereditary and is associated as a cause of disease and early Alzhaimer, before 60-65 years.
So far, three types of mutated genes related to FAD have been established:
PSEN₁ or presenilin-1 gene , more frecuent.APP or amyloid precursor protein gene. PSEN₂ or gene for presenilin-2, very rare or uncommon.In some cases, people affected by FAD have alteration in more than one gene at the same time.
For this reason, it can be stated that FAD is the result of a genetic change in one or more genes or chromosomes.
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I REALLY NEED HELP Time limit
in the late 1980's scientists began to notice that some strains of staphyloccoccus aureus bacteria were becoming resistant to topical antibiotics used by dermatologists to treat acne. By the year 2000 over 100 strains of staphyloccoccus were resistant to almost all antibiotics and scientists had to develop a new plan to kill the. Explain what happened geneticlly in the bacteria population over time as skin infections caused by staphyloccoccus aureus, were exposed to topical antibiotics.
Answer:
D is the answer
Explanation:
The explanation is the answer to the question. basically the lower resistant allele evolved with the mutation to have high resistance to the allele, making it the dominate one.
Which type of population has a greater chance of surviving, one with little diversity or one with a lot? Why?
I would assume a population with greater diversity would survive above quantity because of the varying difference in the genetic capabilities.
Some scientists speculate that lightning was not
present on early Earth. How could you modify the
Miller-Urey experiment to reflect this new idea?
What energy source would you use to replace
lightning?
Heat the broth in the Miller-Urey experiment to approximately 200 degrees centigrade / 400 degrees Fahrenheit.
Explanation:
Temperatures on early earth were very hot compared to today. This is because even after the earth was formed by collision of matter such asteroids, it took millions of years to considerably cool down and have a solid earth crust and signs of oceans. The temperatures would have plummeted to about 200 degrees centigrade to allow for a biomolecules to begin forming via chemical reactions.
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Final answer:
To adapt the Miller-Urey experiment to a hypothesis without lightning on early Earth, alternative energy sources like UV radiation or geothermal heat could be used to initiate chemical reactions in the primitive atmosphere, simulating conditions that might have led to the formation of organic molecules.
Explanation:
The question asks how one could modify the Miller-Urey experiment if it were speculated that lightning was not present on early Earth and what alternative energy source could be used instead of lightning. In the original experiment conducted by Stanley Miller and Harold Urey, they simulated early Earth's conditions by introducing a mixture of gases believed to be in the atmosphere at the time and then subjected these gases to electric sparks to simulate lightning. This led to the formation of organic molecules, demonstrating a possible path for the origin of life from inorganic matter.
To modify the Miller-Urey experiment to reflect the new idea that lightning was not present on early Earth, one could use an alternative energy source such as ultraviolet (UV) radiation or geothermal heat. Both of these energy sources would have been present on early Earth. UV radiation from the sun could act as an energy source to drive the chemical reactions in the absence of lightning. Similarly, Earth's internal heat could result in geothermal energy causing chemical reactions on the ocean floor, such as hydrothermal vents, which could simulate the energy needed for the formation of organic compounds.
A hawk swoops down and catches a squirrel as prey. The squirrel provides energy for the hawk. What happens to the rest of the food molecule
Answer: the food that the hawk eats will become waste and will drop into dirt. witch will make the dirt fertile. and then a plant will grow the squirrel will eat the plant and the hawkwill eat the squirrel.
Explanation:
Answer:
The molecules get converted to other types of molecules.
Explanation:
In a food chain or food web, the total amount of matter remains constant. When the hawk consumes the squirrel for food, the squirrel provides energy for the hawk. The rest of the food molecules get converted into other molecules in the hawk's body. These molecules will break down into nutrients in the soil when the hawk dies. These nutrients will, in turn, be used by grasses and trees.
What is the "giant impact hypothesis" and what evidence has been found that supports
this hypothesis?
Answer:
The giant-impact hypothesis, sometimes called the Big Splash, or the Theia Impact suggests that the Moon formed out of the debris left over from a collision between Earth and an astronomical body the size of Mars, approximately 4.5 billion years ago.
evidence: evidence for the giant impact scenario comes from rocks collected during the Apollo Moon landings, which show oxygen isotope ratios nearly identical to those of Earth.
Comparison of the zinc isotopic composition of lunar samples with that of Earth and Mars rocks provides further evidence for the impact hypothesis.
The giant impact hypothesis suggests the Moon was formed from the collision of a Mars-sized body with the Earth, flinging material into orbit that later became the Moon. Evidence such as oxygen isotope similarities and computer simulations bolster this theory, despite geological activity obscuring direct evidence.
Explanation:The Giant Impact Hypothesis
The giant impact hypothesis proposes that the Moon was created from debris ejected into space after a Mars-sized body (approximately one-tenth of Earth's mass) collided with the early Earth. This event is conjectured to have occurred early in Earth's history, and it is suggested that it was one of the largest impacts Earth could endure without being completely destroyed. Due to the magnitude of the impact, material from both the Earth's mantle and the impacting body was thrown into orbit, which eventually coalesced to form the Moon.
Evidence Supporting the Hypothesis
Although direct evidence of such a colossal event is challenging to find due to the geological activity of Earth that continuously remodels its surface, there is supporting evidence for the giant impact hypothesis. This includes the similarity of oxygen isotopes found on the Moon and Earth, which suggests a common origin. Another piece of evidence is the Moon's composition, which is remarkably similar to the Earth's mantle. Additionally, computer simulations match the current Earth-Moon system's dynamics when modeled with a giant impact event.
A cell goes through cellular respiration and produces ATP which it then uses to move a molecule across the cell membrane. How does the energy in the original glucose molecule change during this process?
The stored energy in the glucose is used to produce ATP that can be converted to mechanical energy when the molecule moves across the cell membrane.
The energy in the glucose is stored as kinetic energy in the ATP and released as potential energy when the molecule moves across the cell membrane.
The energy in the glucose is stored as mechanical energy in the ATP and released as potential energy when the molecule moves across the cell membrane.
The kinetic energy in the glucose is stored as potential energy in the ATP and released as kinetic energy when the molecule moves across the cell membrane
The correct answer is : The kinetic energy in the glucose is stored as potential energy in the ATP and released as kinetic energy when the molecule moves across the cell membrane.
Explanation:
Adenosine triphosphate (ATP) is produced by converting the biochemical energy from nutrients during cellular respiration in the cells of organisms. The energy gained from ATP can be widely used for different cellular activities. Several metabolic reactions take place to change the energy from glucose to ATP.
During the movement of molecule across the cell membrane, the kinetic energy in the glucose is stored as potential energy in the ATP and released as kinetic energy.
Answer:
d
Explanation:
4. What substance is oxidized during cellular respiration?
ojo
O
A glucose
B oxygen
OC carbon dioxide
D water
Answer:
B
Explanation:
Oxygen
Answer:
What substance is oxidized during cellular respiration?
Carbon is oxidized from the breakdown of glucose while the oxygen is reduced
Explanation:
How does G0 help explain why brain and spinal cord injuries don’t heal or take longer to heal
Answer:
Damage to the spinal cord rarely heals because the injured nerve cells fail to regenerate. The regrowth of their long nerve fibers is hindered by scar tissue and molecular processes inside the nerves. Scientists in now report that help might be on the way from an unexpected quarter.
Nerve Cells Do Not Renew Themselves After an injury, the skin makes a bunch of new cells and uses them to heal your wound. Yet, nerve cells in your brain, also called neurons, do not renew themselves. They do not divide at all. ... When there is a glitch in the blood supply to the brain, also called a stroke, neurons die.
Explanation:
The G₀ phase describes a cellular state outside of the replicative cell cycle.
so nothing replicates itself out side of this cell
Carrying capacity is the maximum number of individuals an environment can support for a long period of time. What might happen when population grows larger than the carrying capacity of land?
Final answer:
If a population exceeds its carrying capacity, it will face increased competition for resources, leading to potential die-offs and fluctuation around the carrying capacity. The carrying capacity is not fixed and can change based on environmental conditions.
Explanation:
When a population grows larger than the carrying capacity of the land, several consequences can occur due to resource depletion. Firstly, there would be increased competition for limited resources such as food, water, and shelter. This can lead to a higher death rate, poorer health, and reduced reproductive rates. In some cases, the population may overshoot the carrying capacity and then experience a die-off, where the population size decreases rapidly back to or below the carrying capacity. This process usually results in the population fluctuating around the carrying capacity in an undulating fashion rather than stabilizing precisely at it.
The precise effects and the logistic growth model show an 'S-shaped' curve when a population grows and then levels off as it reaches the carrying capacity. The carrying capacity itself is not fixed and can vary up or down depending on changes in environmental conditions and the availability of resources.
Why is it dangerous to eat wild mushrooms?
Some mushrooms may be poisonous. Even some that aren't poisonous, people may have unpleasant reactions to mushrooms. Even breathing the fumes can poison you.
So in general: poison
during translation, the code for genetic information changes from-
A. proteins to amino acids
B. nucleic acids to amino acids
C. proteins to nucleic acids
D. amino acids to nucleic acids
Answer:B. nucleic acids to amino acids
Explanation: During translation, proteins are synthesized from messenger RNA molecule. Messenger RNA (mRNA) is a type of ribonucleic acid that contains genetic codes which code for amino acids. A genetic code or codon is a triplet of nucleotide (three nucleotide molecules) that codes for a specific amino acid. During translation, the genetic code in an mRNA is read by the ribosome and the information is converted to an amino acid sequence by transfer RNA (tRNA) which gets the amino acid coded for by the codon and attaches it to the growing polypeptide chain.
Transfer RNA is responsible for fetching the correct amino acid coded for by the codon from the cytosol and attaching it to the growing polypeptide sequence.
The image shows a rain forest ecosystem. The energy from plants, or producers, acts as the starting point of energy in the ecosystem. This energy is transferred to other organisms in the food web. In which two ways is the total amount of energy conserved in the ecosystem?
Some energy is transferred to the organisms, and the remaining energy is released into the ecosystem as thermal energy.
Bacteria eat the dead bodies of organisms to release the organisms’ stored energy into the atmosphere.
Some energy is transferred to the smaller organisms, and the rest is stored in the bodies of larger animals.
Some energy is transferred to the organisms, and the rest is released by plants in the form of carbon dioxide.
Bacteria eat the dead bodies of organisms, obtain all the energy, and store it in their bodies.
more than one question
Answer:
The correct answer is A)
Some energy is transferred to the organisms, and the remaining energy is released into the ecosystem as thermal energy.
Explanation:
As we move up the trophic levels in an ecosystem, we observe that the amount of energy keeps on reducing at each trophic level. This phenomenon occurs because not all energy is transferred from one trophic level to another is an ecosystem. Most of the energy is released as heat into the atmosphere. Almost, 10% of the energy is known to flow from one trophic level to another in an ecosystem.
Answer:
a and c
Explanation: