Answer:
Genes are composed of DNA arranged on chromosomes.
Some genes encode structural or regulatory RNAs. Other genes encode proteins.
Replication copies DNA; transcription uses DNA to make complementary RNAs; translation uses mRNAs to make proteins.
In eukaryotic cells, replication and transcription take place within the nucleus while translation takes place in the cytoplasm.
In prokaryotic cells, replication, transcription, and translation occur in the cytoplasm.
Key Terms
DNA: a biopolymer of deoxyribonucleic acids (a type of nucleic acid) that has four different chemical groups, called bases: adenine, guanine, cytosine, and thymine
messenger RNA: Messenger RNA (mRNA) is a molecule of RNA that encodes a chemical “blueprint” for a protein product.
protein: any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds
Explanation:
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An enduring issue is… (define the term enduring issue in your own words)
One example of an enduring issue is… (identify an example you see in your community, state, country, or the world)
This is an enduring issue because… (explain how this issue has endured)
This enduring issue is significant because… (explain who has been affected by this issue)
An enduring issue is any issue that has persisted for a long time and is yet to be completely resolved.
One example of an enduring issue is conflict and human rights breaches.
This is an enduring issue because, throughout the years of human life, conflict and war remain despite efforts to eliminate them.
This enduring issue is significant because it has caused a great loss of life and property over the years.
What is an enduring issue?An issue that persists throughout time is called an enduring issue.
It is a problem that numerous cultures have made an effort to solve, with varied degrees of success.
Human rights breaches such as equality, discrimination, unfair treatment, and conflicts including war, and rivalry are examples of enduring issues.
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Which structure allows a virus to recognize and attach to receptors on the host cell?
cell wall
capsid protein
cell membrane
nucleic acid
Answer:
B - Capsid Protein
Explanation
Trust me man
The structure that allows a virus to recognize and attach to receptors on the host cell is capsid protein.
What is the general structure of viruses?Viruses are more diminutive than bacteria and contain of a SsDNA or DSDNA and enclosed by a protein shell Known as a capsid.
Whereas some viruses also contain Lipid and protein outer envelope.
Thus, option "B" is correct, capsid protein.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
what are the 3 things to make a fire?
Answer: Oxygen, heat, and fuel.
Explanation: Oxygen, heat, and fuel are frequently referred to as the "fire triangle." Add in the fourth element, the chemical reaction, and you actually have a fire "tetrahedron." The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.
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Answer:
Explanation:
the "fire triangle."
Oxygen heat fuelWhat feature of alcohol fermentation makes it more suitable for the baking process than lactic acid fermentation?
A. Alcohol fermentation generates NAD+ from NADH, but lactic acid fermentation generates NADH from NAD+.
B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.
C. Yeasts can use alcohol fermentation, but only human muscle cells can use lactic acid fermentation.
D. The products of alcohol fermentation are edible but those of lactic acid fermentation are not edible.
Answer:
The correct answer is : B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.
Explanation:
In t5he lactic fermentation, the end product is lactic acid whereas in Alcohol fermentation produces by-product carbon dioxide gas which makes it more suitable for baking.
Alcohol fermentation takes place the bread is made as gas is what puts tiny air bubbles within the dough of the bread and makes bread lighter consistency we are used to. Yeast helps in producing carbon dioxide by alcohol fermentation.
Answer:
B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.
PLATO//EDMENTUM
Which of the following environments would benefit a population of asexually-reproducing organisms most?
A.
an environment that experiences very little change
B.
an environment that contains a large number of potential mates
C.
an environment in which the temperature fluctuates rapidly
D.
an environment that undergoes a variety of climate changes
Answer:
A with little change
Explanation:
Asexually reproducing animals can’t adapt well to change as they are all genetically identical
stimulates ciliary muscles of the eye, which makes the lens bulge for close vision. sympathetic or parasympathetic
The correct answer is parasympathetic. The parasympathetic nervous system controls activities that conserve energy and promote relaxation.
When we need to see objects up close, the parasympathetic nervous system stimulates the ciliary muscles in the eye. These muscles are responsible for controlling the shape of the lens in the eye, allowing us to focus on objects at varying distances. When the parasympathetic nervous system is activated, the ciliary muscles contract, making the lens bulge and allowing us to see objects up close. On the other hand, the sympathetic nervous system is responsible for activating the body's fight-or-flight response and controlling activities that require energy expenditure, such as increasing heart rate and respiration. the parasympathetic nervous system also plays a role in regulating other bodily functions such as digestion, urination, and sexual arousal.
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Scientists remove the gene Gclc from T-cells in a mouse. Which of the following will happen?
a.The mouse will make too much glutathione.
b.The mouse will die.
c.The mouse will make normal glutathione.
d.The mouse will not make glutathione.
The removal of GCLC gene from the T cells of the mice will result in: (d.) The mouse will not make glutathione.
HCLC gene encodes the information for the synthesis of the enzyme glutamate cysteine ligase. This enzyme is crucial as it catalyzes the rate-limiting step of the process of synthesis of glutathione. Hence, if the gene in knocked out from the mice, no glutathione will be formed.
Glutathione is an antioxidant made from the amino acids glycine, cysteine, and glutamic acids. It helps in protecting the body of living organisms from harmful substances like reactive oxygen species, free radicals, peroxides, etc.
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In prokaryotic cells, translation begins before transcription is finished. Give two reasons why this would not be possible in eukaryotic cells.
Translation starts in prokaryotic organisms before transcription is done. Place two parts that would stop this in eukaryotic cells. While prokaryotic cells lack a nucleus, eukaryotic cells do.
While translation occurs on the ribosomes in the cytoplasm, transcription occurs in the nucleus.
This is due to the fact that translation takes place in the cytoplasm of human cells, whereas transcription occurs in the nucleus. Additionally, in eukaryotes, translation requires the unique processing of RNA molecules. Therefore, transcription and RNA processing must be completely accomplished before translation may begin.
In all cells, translation takes place at ribosomes. Prokaryotes translate DNA before transcription is finished because their DNA is not bound by a nucleus.
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i need to persuade someone to live in a chaparral
Answer:
Just make them. That usually works. Or kidnapping. That also works
Explanation:
If someone called you a diploid, why would you not be offended?
Answer:who knows
Explanation:
Look at the feet of this peregrine falcon. Explain how they help make this bird well-adapted to feed on other birds and mammals.
Answer:
The talons on the Peregrine Falcon are adapted to grasp prey and when they do this they often pierce the flesh. They are known for snatching smaller birds straight out of the air with their talons.
Explanation:
The study of changes is called evolution.
The correct answer is described below.
What is evolution?Evolution is a change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes that are passed on from parent to offspring during reproduction.The talons on the Peregrine Falcon are adapted to grasp prey and when they do this they often pierce the flesh. They are known for snatching smaller birds straight out of the air with their talons.
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You will be required to write a paragraph on anything related to science. A paragraph consists of at least one introductory sentence, three supporting sentences and a concluding sentence. Think of a topic that interests you and it will be much easier for you to write about it.
Answer:
The theory of Continental Drift suggest that hundreds of years ago all the continents were one big continent called Pangea. Soon these contintents split up created the places that we live today. This theory was introduced by Alfred Wegener. His colleges thought he was crazy, but later studies proved his impossible theory to be true. By the process of "sea floor spreading" the continents were then ripped apart and drifted to where they are today.
A bat wing, an alligator leg, and a human arm are homologous structures. Which fact about those structures best supports one aspect of the theory of evolution? Question 14 options: a. The fact that the bone structures are similar supports the concept that the animals shared a common ancestor. b. The fact that the bone structures are similar supports the concept that birds evolved from mammals. c. The fact that the bone structures are completely different supports the concept that those organisms evolved from each other.
Answer:
A - The fact that the bone structures are similar supports the concept that the animals shared a common ancestor.
Explanation:
Homologous structures refer organs which are similar in structure which are derived from ancestors of similar species.
explain why the special properties of water make it essential for life, including
5. polarity
6. hydrogen bonding
7. cohesive and adhesive behavior
8. ability to moderate temperature
9. universal solvent behavior
10. expansion upon freezing
(thank you)
if a locus has five alleles, how many genotypes and unique heterozygotes could this locus possess?
A locus with five alleles can possess a total of 15 different genotypes and 10 unique heterozygotes.
To find the number of genotypes, we can use the formula n(n+1)/2,
where n is the number of alleles. In this case, n=5,
so the number of genotypes is 5(5+1)/2 = 15.
To find the number of unique heterozygotes,
we can use the formula n(n-1)/2,
where n is the number of alleles. In this case, n=5,
so the number of unique heterozygotes is 5(5-1)/2 = 10.
Therefore, a locus with five alleles can possess 15 different genotypes and 10 unique heterozygotes.
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which statement below correctly describes the process of glycolysis?
A. Glucose is broken down into two pyruvate molecules
B. Oxygen and glucose are broken down
C. Two pyruvate molecules are brown down into glucose
D. Glucose is broken down into ATP
Answer:
A)glucose is broken down into two pyruvate molecules
The statement below correctly describes the process of glycolysis, glucose is broken down into two pyruvate molecules. The correct option is A.
What is glycolysis?Glycolysis is the process in which glucose is broken down to produce two molecules of pyruvic acid, which also releases energy. This process can be carried out without the help of oxygen, thus an anaerobic reaction. This process is carried out in the cytoplasm.
For the cell to use as energy, glycolysis results in a net gain of two pyruvate molecules, two ATP molecules, and two NADH molecules. Following the conversion of glucose to pyruvate, the Krebs Cycle is connected to the glycolysis pathway, where additional ATP will be produced to meet the energy requirements of the cell.
Therefore, the correct option is A.
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Which of the following is a reasonable claim the researchers can make based on the data in the graphs?
Answer:
First give the options we can't tell random ir may be wrong give options because in question it is asking which of the following if we say any randomly it becomes wrong.
Select which statements are a part of natural selection.1. organisms better adapted to their environment tend to survive2. organisms better adapted to their environment tend to reproduce and increase in number3. organisms pass on their traits to succeeding generations.4. over time, favorable traits become more common in a population
All four of the given statements are true as a result of these postulates.
1. Adaptable organisms are more likely to survive in their environment.
2. Organisms with better environmental adaptations are more likely to reproduce and proliferate.
3. Characteristics of an organism are passed on to subsequent generations.
4. In a population, advantageous features gradually spread.
Darwin introduced the notion of natural selection. The following postulates were provided by Darwin in his theory of natural selection:
1. Different individuals within a species exist.
2. This variation has some heritable components.
3. Individuals with the most advantageous mutations typically have better survival rates and more progeny.
4. People have a propensity to reproduce and have more children than the environment can sustain.
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what would be the advantage of generating new neurons from astrocytes within the brain?
Answer:
One potential advantage of generating new neurons from astrocytes within the brain is that it could help to replace neurons that have been lost due to injury or disease. This would improve brain function.
2 other advantages of generating new neurons from astrocytes (bonus answer!)
Generating new neurons from astrocytes could help to compensate for age-related loss of neurons, which could improve brain function in older adults. Finally, generating new neurons from astrocytes could potentially be used to treat conditions such as Alzheimer’s disease and Parkinson’s disease, by providing new neurons to replace those that have been lost in these conditions.
Further explanation of key concepts
What are neurons?
Neurons are cells in the nervous system that transmit information to other cells in the body. There are three types of neurons: sensory neurons, motor neurons, and interneurons.
Sensory neurons are neurons that detect stimuli from the environment and send signals to the brain.Motor neurons are neurons that send signals from the brain to the muscles, causing them to contract.Interneurons are neurons that transmit signals between other neurons.What are astrocytes?
Astrocytes are a type of glial cell found in the brain and spinal cord. They provide structural and metabolic support for neurons. In the central nervous system, they are the most abundant type of glial cell. Astrocytes are involved in a variety of functions, including regulating the extracellular environment, controlling cerebral blood flow, and participating in the repair and scarring process following nervous system injury.
How would an asthma attack most likely affect oxygen delivery in the body
Answer:
when things are working normally, the amount of air we breath in is about the same as the amount we breath out. But during an asthma attack, air gets trapped in the lungs making it harder and harder to breath
GUYS HELP FAST THE SAM ONE
93
add the ones he got over 3 months to the ones he already had
What happens to the surface are as the cubes get larger?
Answer:
As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.
Explanation:
fossils may be a. from impressions left after an organism decays. b. formed when plant resin or tar preserves the specimen. c. casts from footprints that have filled with mud and then turned to stone. d. all answers are correct. e. formed as organic matter is replaced by minerals, turning to stone.
Fossils may be formed in a variety of ways. The correct answer: d. all answers are correct.
There are many different processes that can result in the formation of fossils, such as the imprints that are left behind after an organism has died.
When a specimen is preserved in plant resin or tar, or when a cast is made from footprints that have been filled with mud and subsequently transformed into stone.
In addition, fossils can be produced when organic material is transformed into stone by the action of minerals replacing the organic material.
It is possible for fossils to be generated in any of these methods.
Hence the answer that you are looking for is d. all of the options are correct.
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in men, when sexual stimuli set off a rush of blood to the genitals, where are blood vessels filled?
In men, sexual stimulation can trigger a rush of blood to the genitals, which causes an erection. This process, known as tumescence, involves the filling of the penile erectile tissues with blood.
The erectile tissues of the male genitalia are made up of two cylindrical structures called the corpora cavernosa and the corpus spongiosum. The corpora cavernosa are located on the top of the male genitalia and are responsible for most of the rigidity of the erection. The corpus spongiosum surrounds the urethra and helps to maintain the shape of the male genitalia during an erection.
When sexual stimuli are perceived, nerve impulses from the brain trigger the release of a chemical called nitric oxide (NO) in the penile erectile tissues.
Nitric oxide stimulates the production of cyclic guanosine monophosphate (cGMP), which in turn causes the smooth muscle cells in the blood vessels of the corpora cavernosa to relax. This relaxation allows blood to flow into the erectile tissues and fill the spaces between the cells.
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What happens to the chromosomes during anaphase of meiosis?
Each chromosome splits in half in anaphase, a practice called as disjunction, as the cell lengthens. The spinning fibers and microtubules in duty of tugging the sister chromatids aid in this process.
What are chromosomal and what do they do?The thread-like chromosomes that carry the genetic data between cell to cell are formed of proteins and a single DNA molecule. Chromosomes are found inside the nucleus of organisms in both plants and animals, including humans.
What are DNA vs. chromosomes?Each cell's cell nucleus chromosomes, which are structures that mimic threads and carry the DNA molecule. Each chromosome is formed from DNA that has been tightly wound around histone proteins several times to sustain its shape.
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Complete the following sentence.
The country of BLANK
has the longest documented tradition of using therapeutic massage, as evidenced in a 5,000-Year-Old-Book
Fill in the blank
The Huangdi Neijing, also known as the Yellow Emperor's Classic of Internal Medicine, is a 5,000-year-old book that provides evidence of the longest-known history of therapeutic massage use.
For thousands of years, people from many different cultures have embraced massage treatment as a means of healing and relaxation.
With evidence dating back to the Huangdi Neijing, which is thought to have been written around 2700 BCE, China, however, has the longest-known tradition of practicing therapeutic massage.
Practitioners of traditional Chinese medicine continue to study and use this text, which is among the most ancient and influential medicinal works in China.
Acupressure, which includes applying pressure to particular places on the body to reduce pain and encourage healing, is one of the massage techniques included in the Huangdi Neijing, which provides thorough descriptions of all the different types of massage.
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How do these materials provide the plant with energy
Whoever help me first I got u with brainliest
Answer: 1. Stigma: The stigma is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. 2. Style: It is a tube-like structure in which connects stigma and ovary. 3. Ovary: In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynoecium. 4. Ovule: The ovule is the organ that forms the seeds of flowering plants. 5. Pistil: The ovule producing part of a flower. 6. Anther: The part of the stamen where pollen is produced. 7. Filament: The thin stalk that supports the anther in the male portion of the flower. 8. Stamen: Stamens are the male reproductive organs of flowering plants. 9. Petal: The parts of a flower that are often conspicuously colored. 10. Stem: A stem is one of two main structural axes of a vascular plant, the other being the root. 11. Sepal: The outer parts of the flower (often green and leaf-like) that enclose a developing bud.
Explanation: trust
The main function of the human digestive system is to A. rid the body of cellular waste materials B. process organic molecules so they can enter cells C. break down glucose in order to release energy D. change amino acids into proteins and carbohydrates
Answer:
Hi there your answer is B
Explanation:
There are a lot of functions to the digestive system like absorbing nutrients, get rid of waste but the main function is to process organic molecules so they can enter cells.
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Human Digestive System is a complex system made up of organs, tissues, and hormones. The primary function of the human digestive system is to break down and process food into nutrient molecules.
The correct answer is:
Option B. process organic molecules so they can enter cells
The functions of the human digestive system are:
The digestive system uses a chemical or mechanical process to break down the complex food substances into nutrient molecules. These molecules are then absorbed by the cells. The digestive system is involved in the assimilation and absorption of the nutrient molecules to yield energy.Thus, the digestive system process the food and break it down into simpler forms, so it can be absorbed by the cells.
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