Why is it important for DNA to remain in the nucleus?

Answers

Answer 1

DNA cannot leave the nucleus because that would risk it getting damaged.

Answer 2

The most important function of the nucleus is to store the cell's genetic information in the form of DNA. DNA holds the instructions for how the cell should work. DNA stands for deoxyribonucleic acid. The molecules of DNA are organized into special structures called chromosomes. Sections of DNA are called genes which hold hereditary information such as eye color and height. You can go here to learn more about DNA and chromosomes.

Related Questions

Photosynthesis occurs with the help of
A. CO2 and Water
B. SO2 and water
C. Oxygen and CO2
D. Oxygen and water

Answers

Explanation:

(A) = Carbon dioxide and water. Because, photosynthesis is the process by which green plants manufacturer their food by combining water and carbon dioxide in the process of sunlight energy trapped by chlorophyll to produce carbohydrate and released oxygen. from the above definition we see that, Photosynthesis cannot occur without water and carbon dioxide present

Is crick and Watson a type of genetic test

Answers

No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.

Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.

These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.

While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.

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Now that you have had a chance to delve into epigenetics, think about how it applies to the argument between those who say we are a product of our nature and those who think we are nurtured into what we become. Your essay should be at least 250 words and include three different ways epigenetics affects our genes. Write your essay in a separate text document and upload it for submission here.

Answers

Epigenetics represents the intersection between environment (what we eat) and genetic factors.

What is Epigenetics?

Epigenetics is a subdiscipline of genetics that studies how gene expression patterns may change according to different environmental inputs.

Epigenetic mechanisms include DNA methylation, histone modifications and non-coding RNAs pathways.

In conclusion, Epigenetics is the intersection between environment and genetics.

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Please help me with this

I need to bring my grade up.

( if you don't know don't answer )

( science )

( 20 points +brainliest )

( don't try to steal the points because I will report you )

( I do free point give outs, get points there )

Answers

D, since the planet is further away from the star it isn’t receiving as much gravitational pull.

D is the answer because larger distance from the sun, less gravitational pull applied from the sun on it !

The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.

What shared characteristic can be written at point X? Use complete sentences to explain your answer.

Answers

Derived characters are those that emerge at some point during evolution, and are expressed by all the subsequent groups. Derived characters shared by protist, plants, fungi, and animals are: eukaryotic organisms, autotroph or heterotroph, cell membrane, nuclei with DNA, mitochondria.

What are derived characters?

The derived character is any trait that a group passes to the descendants.

Through evolution, the characters change, and new changes are added.

When referring to a derived character, we mean that all the subsequent species in the cladogram, after the character emerged, carry the trait.

In the exposed example, we need to describe characters expressed by protists, plants, fungi, and animals.

Eukaryotic organisms, autotroph or heterotroph. All of them have cell membranes, nuclei with DNA, and mitochondria.

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For the partial diploid you've created, F' I+ P+ Oc Z− Y+ / I− P+ O+ Z+ Y− , you already know that the promoter sequences for copies are functional, so you can focus on the repressor proteins and operator regions that control expression.Indicate the source of repressor protein and the operator region(s) to which it binds. Then indicate how this affects expression of lac genes from the F' plasmid and from the bacterial chromosome.
MATCH
1. Repressor protein is made from__________.
2. Repressor protein is able to bind to the operator region on_________.
3. Functional beta-galactosidase protein could be made from__________.
4. Functional permease protein could be made from___________.
a. the F' plamid.
b. the bacterial chromosome.
c. both the F' plasmid and the chromosome.
d. neither the F' plasmid nor the chromosome.

Answers

Answer:

1. the F' plasmid.

2. the bacterial chromosome

3. the bacterial chromosome

4. the F' plasmid.

Explanation:

The F' plasmid is an extrachromosomal DNA molecule composed of genes that act during the transference of genetic material. This plasmid can also be defined as an episome capable of transferring itself into another bacterial chromosome. The bacteria that contain F factor are named F+, while bacteria without this factor are called F-. During conjugation, the F+ factor interacts with F- cells to enable DNA transference among bacteria.

chloroplasts take in water during photosynthesis what do they use it for?

Answers

Chloroplasts use water to produce glucose with oxygen as a byproduct. Chloroplasts are plant organelles that convert mild power to extraordinary strong chemical strength by the process of photosynthesis.

What is photosynthesis and role of water in photosynthesis?

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

The two main role of chloroplasts are:

1. To carry out photosynthesis.

2. To produce food for plant. Specifically, amino acids and lipid components that are necessary for chloroplast membrane production are produced by chloroplast present in the leaves.

Water on the other hand is necessary for germination of seeds and growth of the plant.

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PLEASE HELP IVE BEEN STUCK ON THESE TWO QUESTIONS FOR A LONG TIME

Answers

Answer: honestly it really depends on the water and how its dripped

Explanation:

A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …

Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.

Answers

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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What do we call the process of
water turning into an atmospheric gas?
A. freezing
B. evaporation
C. perspiration

Answers

Answer:

Explanation:

Evaporation

The water turned into gas which is called evaporation

Answer:

Evaporation :)

Explanation:

An example is water and a hot pot. When the water starts to boil, it slowly starts turning into a gas. As this continues, the water will continue to disappear. If you have a lid on the pot, you will find the water droplets on it. The way the water got there was by turning into a gas or evaporation :)

Have an amazing day!!

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CAN SOMEONE TELL ME PLEASE

Answers

I think it’s C because if you’re allergic to one cillian than you’re allergic to all of them

Sorry if this is wrong

differentiate between transpiration, exaporation and evapotranspiration

Answers

Transpiration refers to the process of water loss through the stomata of plants, evaporation is the process of a liquid turning into a gas, while evapotranspiration is the combination of both transpiration and evaporation and refers to the total water loss from a surface.

What is Transpiration?

Transpiration is the process by which water is lost from a plant through small pores called stomata. This water loss can occur through evaporation from the surface of the leaves or stems and serves to regulate the temperature of the plant and maintain water balance.

Transpiration also plays a crucial role in the movement of water and nutrients from the roots to the leaves. It is an important aspect of the water cycle and helps to redistribute water and minerals throughout the plant.

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Complete the punnet square.
If we were to cross a heterozygous mouse with a homozygous recessive mouse, what would the probability of offspring genotypes be ?
Fill in the PERCENTAGE of the probability for EACH GENOTYPE on your show your work worksheet .

Answers

The probability of the offspring will be 50%, 50%, and 0% respectively.

Probability in genetics

It seems the allele for the trait in question is F(f) from the image.

One parent is heterozygous while the other is homzygous.

Ff x FF

FF FF Ff Ff

Probability of FF = 2/4 or 50%

Probability of Ff = 2/4 or 50%

Probability of ff = 0

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The percentage of each genotype is;

Ff = 50%ff = 50%

What is a cross?

A cross is a system by which the genotype of an organism can be ascertained.

We are told that this cross is between a het--erozygous mouse with a hom--ozygous recessive mouse. Thus we have Ff and ff.

We now have the percentage of each genotype as;

Ff = 50%ff = 50%

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Where did the RNA polymerase come from ? That’s involving in Transcription

Answers

Answer:

RNA polymerase is the main transcription enzyme. Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule.

Explanation:

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Explanation:

RNA polymerase I is located in the nucleolus, a specialized nuclear substructure in which ribosomal RNA (rRNA) is transcribed, processed, and assembled into ribosomes

3. It's snowing and 30°F. If the temperature increases to 36°F, which of the following is likely to happen?

a. The snow will begin to evaporate
b. The amount of snow will increase
c. The snow will melt into rain
d. The snow on the ground will freeze

Answers

If the temperature increases from 30°F to 36°F while it is snowing, it is likely that "the snow will melt into rain," will occur.

When the temperature rises from below the freezing point (30°F) to above the freezing point (36°F), the atmospheric conditions change, causing the snowflakes to melt. The rising temperature provides the energy needed to break the hydrogen bonds that hold the water molecules together in the ice cubes. The effect of this is that frozen ice turns into liquid water.

Because the temperature has risen above the freezing point of water, the snow turns into rain. Individual water droplets are formed when the crystalline structure of snowflakes is lost. These drops can cause rain as soon as they fall from the sky.

Therefore, the correct option is C.

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A food worker is putting chemicals into clean spray bottles.
What must the food worker include on each spray bottle?

Answers

Answer:

The food worker must properly label the spray bottle with what it contains to ensure that mixed up will not happen.

Chemicals are hazardous so it should be stored in their own designated place and avoid spraying sanitizing chemicals around food that is being prepared to evade contamination

explain how human, the carbon cycle, and global warming are connected

Answers

Human activity has a big impact on the carbon cycle.

How are humans connected to the carbon cycle?

The carbon cycle is significantly influenced by human activity. Significant amounts of carbon are released into the atmosphere as a result of fossil fuel combustion, land use changes, and the use of limestone in concrete.

The carbon cycle is greatly impacted by human activity. Significant amounts of carbon are released into the atmosphere as a result of the burning of fossil fuels, changing land use, and the production of concrete with limestone.

The carbon cycle is the term used to describe the continuous movement of carbon atoms from the atmosphere to the Earth and back again.

Carbon dioxide is being released into the atmosphere and is modifying the climate system due to the burning of fossil fuels, the emission of chemicals into the environment, the reduction of forest cover, and the rapid growth of agricultural, development, and industrial activity.

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is it important to have circulatory system for single cell or multicellular organism?

Answers

It’s more important for a multicellular organism. This is because unicellular organism do not have specialized organs like the respiratory system. They obtain resources like oxygen through a process of diffusion.

Suppose that a late succession plant that is surrounded by early succession plants grows at a rate of 0.5 cm per day. If the early succession plants are removed experimentally, the late succession plants are observed to grow at a rate of 0.9 cm per day. This experiment shows that the early succession plants have a _______ effect on the late succession plants, and this observation is most consistent with the _______ model of succession.

Answers

Answer:

negative, inhibition

Explanation:

The experiment in the illustration shows that early succession plants have a negative effect on the late succession plants, and the observation is most consistent with the inhibition model of succession.

That the late succession plant thrives better in the absence of the early succession plants means that the early succession plant has been impacting the growth of the late succession plant negatively. This is consistent with the inhibition model of succession.

There are 3 different models of succession. These include;

Facilitation model in which colonists modify the environment to favor the growth of later successional species.Tolerance model in which early colonists' modification of the environment has no positive or negative impact on the growth of later successional species.Inhibition model in which early colonists modify the environment to inhibit the growth of later successional species.

Can you help me pick out these two answers for the questions using the cladogram please will mark brainlist and my AI can’t answer this question pleaseeee

Answers

The amniotic egg is a trait that separates amphibians from primates. The trait that separates rabbits and primates from crocodiles is eggs with shells. Rabbits and primates are mammals while crocodiles are reptiles.

The Amphibians are cold-blooded animals that spend part of their lives on land and some part in water. The primates on the other hand are warm-blooded animals and they produce milk(mammals). Species of monkeys, apes, and lemurs are some of the examples of primates.

The trait that is common in primates and rabbits is the presence of hair. The crocodiles on the other hand are different from them as they lay hard-shelled eggs which protect the inner portion of the egg and also allow gaseous exchange.

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______ are chemical messengers secreted by glands.
Exocrine glands, such as sweat glands, secrete fluids through ducts. _______ glands secrete hormones directly into the bloodstream.
The _______ gland plays an important role in puberty and growth.
Epinephrine, triggering the "fight or flight" response, is produced by the _______ glands, which sit on top of the kidneys.
Most glands that secrete hormones operate using feedback mechanisms. When hormone concentrations are high, the gland will produce ________ of the hormone.
Many cells produce chemicals called _______, hormone-like substances that impact inflammation and reproduction.
The gland that helps regulate growth, body temperature, and the level of calcium in the blood is called the _______.

Answers

Hormones are chemical messengers secreted by glands.

In order to reach different organs and tissues throughout the body, endocrine glands release hormones (chemical messengers) into the bloodstream.

Endocrine glands secrete hormones directly into the bloodstream.

Hormones are directly released into the bloodstream by endocrine glands.

The pituitary gland plays an important role in puberty and growth.

The pituitary gland regulates a variety of essential bodily processes and functions, including metabolism, growth, sexual development, reproduction, blood pressure, and many others.

Epinephrine, triggering the "fight or flight" response, is produced by the adrenal glands, which sit on top of the kidneys.

Corticosteroid hormones and epinephrine, which are produced and released by the adrenal glands, keep blood pressure stable and control metabolism.

Less

When hormone concentrations are high, the gland will produce less of the hormone.

Many cells produce chemicals called steroids, hormone-like substances that impact inflammation and reproduction.

Eicosanoids (such as prostaglandins and thromboxanes), steroids, and phytoestrogens are examples of compounds that can be categorized as hormones (e.g. estrogen and brassinosteroid)

The gland that helps regulate growth, body temperature, and the level of calcium in the blood are called the thyroid and parathyroid.

The thyroid and parathyroid glands are situated behind the larynx, in the front of the neck (voice box). The metabolism of the body is significantly influenced by the thyroid. The balance of calcium in the body is controlled in part by the parathyroid glands.

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Answer:

Hormones

endocrine

pituitary

adrenal

less

prostaglandins

thyroid

Steroidal hormones enter the cell directly and interact with DNA inside the nucleus. These hormones change gene expression, affecting the RNA that is produced and the proteins that are translated in a cell. Nonsteroid hormones do not enter the cell. Instead, they bind to specific receptors on the outside of the cell membrane. This triggers molecules called secondary messengers, such as cAMP, to begin their work of relaying information in the cell, where other chemicals, messengers, and proteins are involved to create a cellular response.

Explanation:pf

6. What two places might a free-floating DA molecule end up?

Answers

is there any answer choices before i start answering ur question

Which is biotic?
soil
✓ leaf
water
snow

IF ANYONE IS LOOKING FOR THIS QUESTION ON EDGE 2020 the answer is B!!

Answers

Answer:

The answer is going to be leaf

Yea leaf is the only living thing

Help I will make brainlest.

Answers

Answer:

13. Bacteria

14. Golgi body

Explanation:

13. Bacteria
14. Golgi body/ apparatus

What do you call living thing in our ecosystem??

Answers

Answer:

The living parts of an ecosystem are called biotic factors while the environmental factors that they interact with are called abiotic factors.

Explanation:

$hope \: it \: helps \: you$

Answer:

Biotic factors

Explanation:

Biotic factors are living animals or species that exist in our ecosystems.

Hope this helps!

what makes you believe that the vegetation has been grown by farmers and has not grown naturally by itself over time

Answers

Organized patterns, irrigation systems, specific crop varieties, and agricultural practices indicate human intervention in vegetation growth, suggesting farming activity.

Determining whether vegetation has been grown by farmers or has grown naturally over time can be assessed by considering various factors. Firstly, the presence of organized patterns or rows of crops suggests intentional cultivation by farmers. The use of irrigation systems, terraces, or other agricultural infrastructure further supports human intervention. Additionally, the selection of specific crop varieties or the presence of non-native plant species may indicate deliberate cultivation. Observation of crop rotation, weeding, and fertilization practices can also provide evidence of human involvement. Historical records or local knowledge of agricultural practices in the area can provide further context. Conversely, natural vegetation tends to exhibit a more random distribution and includes a diverse range of native plant species. Considering these factors collectively can help differentiate between vegetation that has been grown by farmers and vegetation that has naturally grown over time.

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What does pH measure?

the total number of acid molecules in solution

the concentration of hydrogen ions in solution

the concentration of oxygen atoms in solution

Answers

Ph is the measure of hydrogen ions

Answer:

I believe the answer is : The Concentration of Hydrogen Irons in Solution.

Explanation:

pH means "potential of hydrogen" and is used to specify the acidity or basicity of an aqueous solution.

Which of the following are benefits of riparian zones?
Select 2 correct answer(s)
Increase in water runoff temperature
Decrease in nutrient load added to waterway
Increase in bank erosion
Decrease in drastic water level changes from floods and storms

Answers

The benefits of riparian zones are:

1. Decrease in nutrient load added to waterway.

2. Decrease in drastic water level changes from floods and storms.

Therefore, the correct answers are:

Decrease in nutrient load added to waterway.Decrease in drastic water level changes from floods and storms.

Which type of DNA mutation is harmful?

Answers

Cystic fibrosis is the type of dna mutation that is harmful

what is the biggest change in leg anatomy that occurred from the dawn horse to the modern horse?

Answers

Answer:

The modern horse, in addition to having much longer legs, has developed hooves in place of hand/foot bones.

Explanation:

The modern horse, in addition to having much longer legs, has developed hooves in place of hand/foot bones.

What are the characteristic of modern horse?

The modern horse, Equus caballus, became widespread from central Asia to most of Europe. Local types of horses, all breeds of this single species, undoubtedly developed, and three of these—Przewalski's horse.

According to a study published in Nature on 20 October1, modern domestic horses probably originated on the steppes around the Volga and Don rivers, now part of Russia, before spreading across Eurasia, ultimately replacing all pre-existing horse lineages.

Living members of the family Equidae all belong to one genus, Equus. That genus includes donkeys, zebras, Przewalski's horses, and all the many breeds of domestic horses, Equus caballus, such as the mustangs of the American West and Andalusians of Spain.

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which ground-state electron configuration represents the element with the smallest ionization energy? select one: a. 1s22s22p1 b. 1s22s22p4 c. 1s22s22p5 d. 1s22s22p3 A coach for a little league baseball team is ordering trophies for the team. Players on the team are allowed to choose between 2 types of trophies. The gold baseball trophies cost $5.99 each and the uniform baseball trophies cost $6.49 each. The team orders g gold baseball trophies and u uniform baseball trophies. Write an expression that could represent the total cost of all of the trophies. How managed an unhealthy relationship? Use the Wronskian to prove that the given functions are linearly independent on the indicated interval. f(x) = x; g(x) = xe^x; h(x) = x^2e^x; the real line Given that y_1 = e^3x Is a solution of y" - 6y' + 9y = 0 on the interval (infinity < X < infinity), use the reduction of order to find a second solution Y_2. Find the area, use 3.14 for pi The maximum power of the TENS machine is 240 mW. The potential difference across the battery in the TENS machine is 2.5 V. Calculate the maximum current from the battery. [4 r Need help asap check image Inertia best describes...a. why objects at rest remain at restb. why objects moving at a constant velocity continue moving at a constant velocityc. both A and B Which definition most closely matches the meaning of lapse as it is used in paragraph 1? Write the correct definition of lapse here and explain how you figured it out. Help me please show me step by step how to do this it is due soon the southern miss academic integrity policy includes all of the following except the asch studies concentrated on what concept about norms? The choices a speaker makes about the introduction of a speech can affect the outcome of the entire speech. You are starting a lawn mowing business to earnenough money to buy a new video game system,which costs $500. You already have $150 savedfrom last summer.You earn $9.50 per hour. Help its a text :))) Ill mark u brainless WHENS MY BDAY I SAID THIS Need help with this.. John drives 60 miles per hour on the freeway. If there are 1.60934 kilometers in 1 mile, how many kilometers will John drive in 1 hour? Round your answer to the nearest hundredth. In the United States, inflation rates sharply increased to 7.9%, unemployment rates are low, and there are more jobs available than workers looking. Using this information and what you have learned in this class, explain if economic growth should be a continued goal for the United States or not. The chinese new year is celebrated on what day and month?.