explain why gene expression is regulated, considering the advantages of regulating enzyme activity versus transcriptional control.
Answers
Because genes must be able to adapt to either the internal or exterior environment, they are regulated. Since DNA duplication begins with transcription, there are benefits to controlling transcription precisely.
The process of activating and deactivating genes is referred to as gene regulation. During development, genes are turned on and off in various patterns to give a brain cell a different appearance and behaviour from a liver cell or a muscle cell. There are two types of control . Limiting the amount of mRNA that can be created from a single gene is one way to control transcription. Another way is through post-transcriptional processes that affect how mRNA is translated into proteins.
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Related Questions
Given the formula D=M/V, a substance with a Density of 50 gm/cc, with a Volume of 10 cc, has a Mass of
Answers
Answer:500
Explanation:density=mass/volume.
Just substitute 50 and 10 in your equations and you’ll get your answer (mass).
50=m/10
(10)50= m/10 (10)
500=mass
Answer:
500
Explanation:
M=D*V, so 50 times 10.
Chromosomes contain genes, and genes determine an organism's characteristics. Sometimes mutations occur in which the sequence of nucleotides within a gene becomes altered. Which of the following describes how a gene mutation would most likely affect an organism?A.It would cause different proteins to be produced during translation.B.It would cause the sugar-phosphate backbone of all of the organism's DNA to be modified.C.It would cause the codons produced to be more or less than 3 nucletoides in length.D.It would cause the wrong type of nucleic acid to be incorporated into the organism's genes.
Answers
A gene mutation would most likely affect an organism by A. causing different proteins to be produced during translation.
Genes contain the instructions for building proteins, and mutations can alter the sequence of nucleotides within a gene. The sequence of nucleotides determines the sequence of amino acids in a protein, which, in turn, determines its structure and function.When a mutation occurs in a gene, it can result in changes to the mRNA molecule transcribed from the gene. These changes can lead to different codons being produced during translation, which can cause substitutions, insertions, or deletions of amino acids in the resulting protein. As a result, the protein's structure and function may be altered, leading to changes in the organism's characteristics or traits. It's important to note that not all mutations have noticeable effects on an organism, and the impact of a mutation depends on its location within the gene, the type of mutation, and the specific protein that is affected.
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omg i need the answer lol
Answers
Answer:
Force is a measure of power. Velocity, on the other hand, is a quality an object has. Apply force to an object, and its velocity changes.
Does the phrase “Survival of the fittest” refer to an individual (single organism) or a species (group of same organisms)? Why?
Answers
Answer: In 1869 of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing
I Hope this answers your questions :)
Which activity would be within the field of biology? O A. Measuring the rate of squirrel births in a woodland habitat O B. Measuring the amount of energy used by a building OC. Measuring the growth of a bank account OD. Measuring the size of a star
Answers
Answer:A. Measuring the rate of squirrel births in a woodland habitat
Explanation:Measuring the rate of squirrel births in a woodland habitat would be an activity within the field of biology because it involves the study of living organisms and their interactions with the environment.
Someone helm me asap pls I'm on a quiz!!!
Pick the correct match.
Animal cell / plant cell
no cell wall, only plasma membrane: Animal cell / plant cell
no large vacuole, only small ones: Animal cell / plant cell
no chlorophyll or chloroplasts: Animal cell / plant cell
cell plate and no centrioles in cell division: Animal cell / plant cell
cleavage furrow plus centrioles in cell division: Animal cell / plant cell
presence of cell wall plus plasma membrane: Animal cell / plant cell
large hypertonic vacuole: Animal cell / plant cell
chloroplasts: Animal cell / plant cell
Answers
no cell wall, only plasma membrane: Animal cell
no large vacuole, only small ones: Animal cell
no chlorophyll or chloroplasts: Animal cell
cell plate and no centrioles in cell division: Plant cell
cleavage furrow plus centrioles in cell division: Animal cell
presence of cell wall plus plasma membrane: Plant cell
large hypertonic vacuole: Plant cell
chloroplasts: Plant cell
Animal cells and plant cells have distinct characteristics that differentiate them from each other.
Animal cells do not have a cell wall but are surrounded by a plasma membrane that maintains the cell's shape and provides protection.
On the other hand, plant cells possess a cell wall in addition to the plasma membrane. The cell wall provides structural support and protection for the plant cell.
Plant cells typically contain a large central vacuole, which helps regulate cell turgidity and store water, ions, and other substances. In contrast, animal cells may have smaller vacuoles or several small ones.
Chlorophyll and chloroplasts are responsible for photosynthesis in plant cells, allowing them to convert sunlight into energy.
Animal cells do not possess chlorophyll or chloroplasts since they obtain energy through other means such as respiration.
During cell division, plant cells form a cell plate that eventually develops into a cell wall, while animal cells undergo cell division through the formation of a cleavage furrow.
Plant cells also lack centrioles, which are present in animal cells and play a role in organizing the spindle fibers during cell division.
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What are the Nerinea Trinodosa's common ancestors?
Answers
The common ancestor of Nerinea Trinodosa is a group of spiders known as the Salticidae, or jumping spiders.
What is the Salticidae known for?Salticidae spiders are the largest family of spiders in the world, with over 6,000 species. They are found on all continents except Antarctica, and they are especially diverse in tropical and subtropical regions.
Salticidae spiders are characterized by their large eyes, which are located on the front of their heads. They use their eyes to see in three dimensions, which allows them to jump accurately. Salticidae spiders also have very good vision, and they can see ultraviolet light.
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Cellulose is a polysaccharide found in fungi cell walls.
True
False
Answers
Ribosomes are responsible for building protein polymers from amino acid monomers in the cytoplasm.
Which of the following statements correctly explains one important
function of proteins?
F) Proteins provide the cell structure and insulation.
G) Proteins provide the genetic instructions.
H) Proteins catalyze chemical reactions.
J)Proteins provide an energy sources
Answers
Answer:
Proteins provide the cell structure and insulation.
Explanation:
Lab #4: Telescope Optics (continued) Page of 6 Telescopes that collect light use enses or mirrors modify the paths of light rys. Light rays entering transparent substance such as glass or plastic will bend in accordance with the law of refraction. Light rays falling upon reflectire substance such as polished aluminum will bounot accordance with the law of reflection: In thep procedures that follow, arrange the components in the Ray Optics Demonstration Set as shown_ measure the angles = of refraction and reflection, and make Rraph = illustrating the behavior of light rays in each case: The Law of Refraction INCIDENCE Center the protractor sheet the white magnetic board 1 shownn Note orientation of thezero degree index: Positian the reer Ray Box (LRB) so that only one enters the plastic LRB half round lens shown For the angles of incidence in 1 the table on page fOur, record angles retructin_ Then plot the points on the NOIjJYd:3U = graph using unfilled circles: INCIDENCk The Law of Reflection Center the prutractor sheet 1 on the white magnetic board a5 shown: Position the Laser Ray Box that only one ray falls upon the flat mirror Fhmint For the angles of LRB incidence in ethe table page fOur; record the angles of reflection: Then plot the L MIRROR mointe the graph using SIDE filled circles: Jto3 Inno more than = few AcenenGm compare what happens to the light ray rincreased In ench case: the angle ofincidence
Answers
Telescopes use lenses or mirrors to manipulate light paths. Transparent substances follow refraction, while reflective surfaces follow reflection.
Telescopes utilize optical components such as lenses or mirrors to manipulate the paths of light rays. When light rays pass through transparent substances like glass or plastic, they undergo a change in direction due to the phenomenon of refraction. This bending of light follows the law of refraction, which relates the angle of incidence to the angle of refraction.
On the other hand, when light rays encounter reflective surfaces like polished aluminum, they undergo reflection, obeying the law of reflection. The law of reflection states that the angle of incidence is equal to the angle of reflection, with both angles measured relative to the normal of the surface.
In the given lab instructions, the Ray Optics Demonstration Set is used to measure the angles of refraction and reflection and create a graph illustrating the behavior of light rays in each case. By comparing the angles of incidence and observing how they change with increased incidence, students can analyze the behavior of light rays in different optical configurations.
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1. One of the ways in which society impacts technology is through government regulations. Describe how government regulations have both positive and negative impacts on technology.
2. A client engages an engineering firm to develop environmentally-friendly
packaging for the sports drink that they manufacture. What questions would you
ask to define and delimit the problem?
3. Why is it useful for engineers to use a decision matrix when designing solutions to
environmental problems?
Answers
Answer:
Explanation:
1. What are negative effects of technology?
You're losing sleep or skipping physical activities due to technology use. It's causing you stress or anxiety, or you're noticing physical side effects, such as tension headaches, eye strain, muscle pain, or overuse injuries.
Positives:
Technology, which brings together tools to promote development, use and information exchange, has as its main objective of making tasks easier and the solving of many problems of mankind. When technology progresses and makes our lives even more convenient, we must stress how beneficial it is to our lives
2. Don't know
3. Decision Matrix Method. Decision matrix techniques are used to define attributes, weigh them, and appropriately sum the weighted attributes to give a relative ranking among design alternatives.
Why does the rising water cool?
Answers
Answer: As the water gets further from the heat source it cools
Explanation:
the arrival of children: affects the frequency of sexual relations by increasing it. affects the frequency of sexual relations by decreasing it substantially. does not affect the frequency of sexual relations. affects the frequency of sexual relations only slightly, but there is a substantial increase in sexual satisfaction for mothers.
Answers
The arrival of children affects the frequency of sexual relations by decreasing it substantially. Your body needs to restore its hormone levels to those from before pregnancy after giving delivery.
Your sexual desire and sexual reaction may decrease as a result of this modification. For instance, women who breastfeed children may have vaginal dryness because breastfeeding lowers estrogen levels. The type of sexual relations you have and how frequently you have it will probably alter as a result of birth and motherhood. After having a baby, a woman's desire in sexual relations may recover in 1 to 3 months, however it's typical for it to take longer. You are free to resume sexual relations whenever you feel ready, unless your doctor has suggested otherwise. You're not alone if you don't feel particularly lusty after delivering a baby. During the first few months, it's typical for both men's and women's libido to reach its lowest point.
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2. according to the video from seeker, 'how close are we to resurrecting extinct species?' what event occurred at approximately the same time that the mammoths went extinct? group of answer choices
Answers
The event that occurred at approximately the same time as the mammoths' extinction was the global climate change known as the Younger Dryas. This climate change had a significant impact on the environment and is considered one of the factors that led to the extinction of mammoths.
According to the video from Seeker on "How Close Are We to Resurrecting Extinct Species?", an event that occurred at approximately the same time that the mammoths went extinct was a global climate change known as the Younger Dryas.
During this period, around 12,900 years ago, the Earth experienced a sudden cooling event, leading to a significant drop in temperatures. This climate change had a major impact on the environment and played a role in the extinction of various species, including the mammoths.
The Younger Dryas lasted for approximately 1,200 years and affected many parts of the world, including North America, Europe, and Asia. This event caused changes in vegetation and disrupted the ecosystems in which mammoths and other animals lived. The combination of the changing climate, reduced food availability, and increased competition from other species likely contributed to the extinction of mammoths.
It is important to note that the exact cause of the mammoths' extinction is still a subject of scientific debate, and the Younger Dryas is one of the factors believed to have played a role. Other factors, such as overhunting by early humans and the loss of suitable habitats, may have also contributed to their extinction.
In conclusion, the event that occurred at approximately the same time as the mammoths' extinction was the global climate change known as the Younger Dryas. This climate change had a significant impact on the environment and is considered one of the factors that led to the extinction of mammoths.
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Carbon can be found in shells and
sedimentary rock at the bottom of
oceans in the form of
Answers
Answer:
The correct answer to the following question will be "Limestone".
Explanation:
Carbon dioxide has always been typically accumulated throughout the ocean by organic compounds, whether as gasification agent or, throughout a longer period, as carbonate rocks elsewhere in the seafloor.When individuals die, everyone's shells fall straight to the bottom including its ocean's surface and thus become sediments including limestone as well as organic cement.So that the above would be the right answer.
Answer:
a
Explanation:
How do tears wash particle and bacteria from the eyes?
Please help me thank you
Answers
When you blink a film of tear fluid coats the surface of you eye at a certain thickness and is maintained for a while. Tears contain a substance called lysozyme, which has an antibacterial action, and works to prevent invasion and infection by microbes.
(sorry I put the answer in the comments I'm new to this haha)
Are gender traits completely a result of societal expectations?
Answers
Answer:
No. Gender traits in humans are largely determined by biophysical processes.
Which of the following would most likely be the effect of a mutation in DNA?
Answers
Answer:
b
Explanation:
GIVING BRAINLIEST ANSWER ASAP
Which form of precipitation would most likely be predicted based on the following information?
Temperature in the clouds = −2 °C (28 °F)
Temperature of the air below the clouds = 2 °C (36 °F)
Season = fall
Rain because, it is the fall season and the temperatures might vary, which means good conditions for rain
Rain because, the temperatures in the cloud and beneath the cloud are below freezing
Sleet because, it is the fall season but it should be the winter season
Sleet because, the temperature in the cloud is below freezing but the temperature beneath the cloud is above freezing
Answers
Form of precipitation that would most likely be predicted based on the information : Sleet because the temperature in cloud is below freezing but temperature beneath the cloud is above freezing.
What is meant by precipitation?Liquid or frozen water that forms in the atmosphere and falls to Earth is called precipitation.
When temperature in the clouds is below freezing, water droplets freeze into ice crystals. If air beneath the clouds is also below freezing, these ice crystals will remain frozen and fall to ground as snow. However, if air beneath the clouds is above freezing, ice crystals will partially melt and refreeze into small pellets of ice called sleet before reaching ground.
In this scenario, temperature in the clouds is below freezing, but temperature of the air below the clouds is above freezing, indicating that ice crystals would have time to partially melt and refreeze into sleet before reaching ground.
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The equilibrium for isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate is favored because.
Answers
Glyceraldehyde-3-phosphate is being continuously drained off for the subsequent reaction in the glycolytic pathway.
What is glycolytic pathway?The metabolic process known as glycolysis turns the sugar glucose (C6H12O6) into pyruvate (CH3COCO2H). The high-energy molecules adenosine triphosphate (ATP) and reduced nicotinamide adenine dinucleotide are created using the free energy released during this process (NADH).A series of ten enzyme-catalyzed processes make up glycolysis. binding energy of carbs is captured. Retention of ATP An overview of the glycolysis pathway's ten reactionsOne metabolic route that doesn't require oxygen is glycolysis (In anaerobic conditions pyruvate is converted to lactic acid). Glycolysis occurs frequently in various species, which suggests that it is an old metabolic route. In fact, under the oxygen-free conditions of the Archean oceans, the events that make up glycolysis and its counterpart pathway, the pentose phosphate pathway, take place.To learn more about glycolytic pathway with the given link
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Scientit can ue elective breeding to produce chicken with no feather. Explain how a chicken with no feather can be produced by elective breeding
Answers
Answer:
Artificial selection and inbreeding.
Explanation:
The chicken with no feather is developed by years of natural breeding techniques. The breeding species are selected by man. Therefore, it is formed by artificial selection and inbreeding methods.
n an individual, one chromosome has the alleles g and h. the other chromosome has the alleles g and h. these two loci are about 25.0 map units apart. what types of gametes will this individual make?
Answers
n an individual, one chromosomes has the alleles g and h. the other chromosome has the alleles g and h. these two loci are about 25.0 map units apart. what types of gametes will this individual make GH, Gh, gH, gh
A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA fibers in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins. In order to preserve the integrity of the DNA molecule, these proteins condense and adhere to it with the help of chaperone proteins. These chromosomes exhibit a complicated three-dimensional structure that is crucial for controlling transcription.Under a light microscope, chromosomes are typically only discernible during the metaphase of cell division (where all chromosomes are aligned in the center of the cell in their condensed form). Each chromosome is duplicated (S phase) before this occurs, and both copies of each
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The role a species plays in its ecosystem is its ____.
habitat
biome
biodiversity
niche
trait
Answers
Answer:
biome
Explanation:
because the role is playes at ecosystem
An organelle is the basic unit of structure and organization in organisms
TRUE
or
FALSE
Answers
Answer: False
Explanation:
That would be a Cell.
what is the difference between the nematocysts of a hydra and those of a sea anemone
Answers
Nematocysts are stinging cells that can be found in the phylum Cnidaria. These specialized cells can capture prey and deter predators. The hydra and sea anemone are two cnidarian species that possess nematocysts. While the nematocysts of hydra and sea anemone share similarities, they have some key differences.Nematocysts of a hydraHydra is a freshwater cnidarian that has a tube-like body and is a simple polyp.
Hydra has three types of nematocysts: spirocysts, microbasic mastigophores, and atrichous isorhizas. Each of these nematocysts have specific functions. For example, spirocysts help in wrapping the prey while microbasic mastigophores help in penetrating the prey's skin.Nematocysts of a sea anemoneSea anemones are marine cnidarians that have a sessile polyp body. They have a different type of nematocyst, acrorhagi. Acrorhagi are elongated nematocysts present on the oral disc and tentacles of sea anemones.
These nematocysts contain toxic threads that can be used as a weapon to attack other cnidarians. In addition to acrorhagi, sea anemones also possess spirocysts, microbasic mastigophores, and atrichous isorhizas, like hydra.To summarize, the nematocysts of hydra and those of sea anemone have a similar structure, but sea anemones also possess elongated nematocysts called acrorhagi that can be used as a weapon.
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Mecayla harvests oysters from the shallow waters of the marsh near her home. She eats the shellfish almost every day. Her brother Kendis dislikes oysters but eats local predator fish from the river three times a week. Recent water quality tests show moderate levels of heavy metals in the river and marsh. What is the most likely result of this pollutant on Mecayla and Kendis if they maintain the same diet?
Mecayla will get sick first because she eats oysters every day.
Kendis will get sick first because of less bioaccumulation.
Biomagnification will cause Kendis to become ill first.
Bioaccumulation will cause Mecayla to become ill first.
Answers
Answer: Biomagnification will cause Kendis to become ill first.
Explanation: This answer is correct because Kendis is eating the predator fish and Mecayla is only eating some oysters from the shallow water. Biomagnification causes the concentration of toxins, specifically in the predator fish, therefore Kendis will become ill first.
Mecayla harvests oysters from the shallow waters of the marsh near her home. Biomagnification will cause Kendis to become ill first.
What is the ocean?The existence of life on our planet is due to the oceans. Today, more than 230,000 marine species call the sea their home. Life began in the water.
Climate and temperature on Earth are governed by the oceans. They regulate temperatures and play a critical role in precipitation formation. The world's five oceans have a salinity that is around 3.5 percent on average.
The Mediterranean, the Atlantic, and the Bay of Bengal, on the other hand, have higher saline levels.
Therefore, Mecayla harvests oysters from the shallow waters of the marsh near her home. Biomagnification will cause Kendis to become ill first.
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PLEASE HELP ASAPPPP
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
Answers
Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.
Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.
In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:
Light energy + water + carbon dioxide → sugars + oxygen.
Light energy → chemical energy can be used to describe the energy transformation equation.
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A soccer player is running at a rate of 6m/s. He then stumbles over an opponent's foot falling & rolling to a stop. This took 4 seconds. What was his acceleration?
Answers
Answer:
His acceleration was -1/5 m/s²
Explanation:
which statement best describes an international between the muscular system and the respiratory system
Answers
Answer:
Explanation:
The muscular system and the respiratory system work together to support breathing. The diaphragm, which is a large muscle located at the bottom of the chest cavity, contracts and relaxes to create changes in the pressure within the chest. This movement helps to draw air into the lungs and then expel it during exhalation. Additionally, the muscles between the ribs, known as intercostal muscles, help to expand and contract the chest cavity during breathing. So, the muscular system and the respiratory system are interdependent, and they work together to support breathing and provide oxygen to the body.
which of the following sources would likely have mitochondrial DNA but lack nuclear DNA?
a: newly deceased victim
b: highly decomposed skeletal remains
c: biological fluids left at a crime scene
d: hair that has fallen from a suspects head
Answers
The source that would likely have mitochondrial DNA but lack nuclear DNA is highly decomposed skeletal remains; option B.
What is DNA?DNA is the molecule found in living organisms that contains the genetic information of the living organism.
It is a double-stranded helical structure molecule composed of nucleotide monomers linked by phosphodiester bonds.
The DNA in living organisms is found in the nucleus o the cell as well as in the mitochondria of cells.
The DNA in the nucleus is known as nuclear DNA whereas the DNA in the mitochondria is known as mitochondrial DNA.
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