suppose that there was an enzyme that cuts bonds between deoxyribose and nitrogenous bases. what would this enzyme do to a dna molecule?

A membranous network associated with protein production, A cellular structure that is composed of both RNA and protein.

What is a Ribosome?

Ribosomes are macromolecular machines, found within all cells, that perform biological protein synthesis. Ribosomes link amino acids together in the order specified by the codons of messenger RNA molecules to form polypeptide chains. Ribosomes consist of two major components: the small and large ribosomal subunits.

The ribosome is a membranous network associated with protein production, it is a cellular structure that is composed of both RNA and protein.

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Answer:

Herbivore

Explanation:

Eats vegetables and greenery, not meat

The alpha subunit of a G protein is free to diffuse in the plane of the membrane when option C: cyclic AMP binds to the alpha subunit.

When cyclic AMP binds to the alpha subunit of a G protein, the alpha subunit is free to diffuse in the plane of the membrane. The stimulated G protein complex's G s alpha subunit converts GDP to GTP and then leaves the complex.

The activated G s alpha subunit binds and activates the enzyme adenylyl cyclase, which catalyzes the conversion of ATP into cyclic adenosine monophosphate in a cAMP-dependent pathway (cAMP). Adenylyl cyclase starts a cAMP-dependent pathway through the beta-1 adrenergic receptor, which is a G-protein-coupled receptor.

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Answer:

Explanation:

D. The forelimb of a dog and the forelimb of a cat

Answer:

D...........................................................................

Explanation:

Reverse transcriptase may be a DNA polymerase enzyme that transcribes single-stranded RNA into DNA.

What is reverse transcriptase?

Thus, we can conclude that the correct option is D.

To make cDNA is the role of reverse transcriptase in DNA technologies.

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Answer:

Evaporation

Explanation:

The panting responses observed in overheated birds and mammals dissipate excess heat by evaporation

Answer:

H+ will decrease and OH- will increase

At higher altitudes, the air becomes thinner hence the amount of the oxygen is less. Hence when an athlete trains at the higher altitude the body will produce the increased amount of the red blood cells that to carry more of oxygen. This increased the red blood cell count enables the athlete to be perform better in a match.

As also elite athletes acclimate to the high altitude, they acquire more red blood cells  which allows them and their blood to carry more and more oxygen. When they compete at the lower altitudes, they get a natural boost to the muscles when the additional blood oxygen is available

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Answer:

Skeletal muscles are long and cylindrical in appearance; when viewed under a microscope, skeletal muscle tissue has a striped or striated appearance. The striations are caused by the regular arrangement of contractile proteins (actin and myosin). ... Skeletal muscle also has multiple nuclei present in a single cell.

Explanation: Hope this helps. :)

The substance produced by a living organism that is poisonous to human beings is referred to as a toxin (C).

A toxin is any substance produced by a living organism, such as bacteria, fungi, plants, or animals, that is harmful or poisonous to human beings. Toxins are typically synthesized by organisms as a defense mechanism or as a means to incapacitate or kill prey. When humans come into contact with toxins, they can cause adverse effects on the body, ranging from mild symptoms to severe illness or even death. Toxins can target specific organs or systems in the body and disrupt their normal functioning. Examples of toxins include botulinum toxin produced by certain bacteria, venom from snakes or spiders, and poisonous compounds found in certain plants or mushrooms.

Antibodies, on the other hand, are proteins produced by the immune system in response to the presence of foreign substances called antigens. Antibodies help to identify and neutralize antigens, such as bacteria or viruses, as part of the body's immune response.

Acid is a general term for a substance that has a low pH and can donate protons or accept electrons. Acids can have various effects on the body, but they are not inherently produced by living organisms.

Antigens are substances, usually proteins, that can trigger an immune response in the body. They are recognized by the immune system as foreign or non-self, leading to the production of antibodies. Antigens can come from pathogens, such as bacteria or viruses, or from other sources such as allergens or transplanted tissues.

Hence, toxin is the substance that is poisonous to human beings.

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Answer:

Glucose, the final product of starch, is not made for that. So the blood sugar remains normal. Glucose is the digestive element. So, If it is not made, the digestion is impaired.

Explanation:

The food that we eat is converted into simpler forms like glucose. They also make up many acids. The blood then absorbs the food that is broken down in the smaller intestine found in our body. The nutrients that we get is then carried by the blood to each cell found in the body.

Answer:

1.5 billion im not sure doe.

The main answer is: The statement that is true about these suspects and their DNA is that this stretch of DNA contains one SNP.


SNP stands for Single Nucleotide Polymorphism, which means a variation in a single nucleotide at a specific location in the DNA sequence. Upon comparing the DNA fragment of the four suspects, we can see that the only difference is in the 9th position, where Suspect 2 and Suspect 4 have a C while Suspect 1 and Suspect 3 have a T. This indicates that there is only one SNP in this stretch of DNA.

The other statements are false. There are not two SNPs in this DNA fragment, Suspect 2 does not have three copies of an SNP, Suspects 1 and 3 do not have the same number of copies of an STR, and Suspect 2 does not have three copies of an STR.
The main answer is that this stretch of DNA contains two SNPs, and Suspects 1 and 3 have the same number of copies of an STR.

1. This stretch of DNA contains one SNP: False. There are two SNPs: position 9 (G/C) and position 14 (T/C).
2. This stretch of DNA contains two SNPs: True.
3. Suspect 2 has three copies of an SNP: False. Suspect 2 has one copy of each SNP.
4. Suspects 1 and 3 have the same number of copies of an STR: True. Both Suspect 1 and Suspect 3 have one copy of the STR "ACGGTCCGACCTT."
5. Suspect 2 has three copies of an STR: False. Suspect 2 has one copy of the STR "ACGGCGGCGGTCCGACCTT."

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In 2013, the U.S. produced 254 million tons of garbage or municipal solid waste. About 87 million tons of this were either composted or recycled, 32.7 Million tons were burned for energy and 134.3 million tons went to landfills.

In 2013, individuals generated about 254 million tons of trash and recycled and composted over 87 million lots of this cloth, equivalent to a 34.3 percent recycling price.

People generate approximately 258 million tons of MSW yearly, of which about fifty three% is deposited in landfills — a proportion that has plateaued in the latest years. Presently, 34.6% of MSW is recycled and 12.8% is combusted for power manufacturing.

Meals made up the largest component of MSW combusted at about 22 percent. Rubber, leather, and textiles accounted for over sixteen percent of MSW combustion. Plastics comprised approximately sixteen percent, and paper and paperboard made up about 12 percent. The alternative materials accounted for much less than 10 percent every.

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Answer:

Most of what we know of have DNA

Explanation:

Some living things like viruses I think have RNA (unless viruses aren't considered living)

The diameter of hair is 50 micrometers.To convert micrometers to kilometers we have to divide the value in micrometers by 10^9 (1 kilometer = 10^9 nanometers).50 micrometers = 50/10^9 kilometers= 0.00000005 kilometersb.

The diameter of a hydrogen atom is 10 nanometers.To convert nanometers to meters we have to divide the value in nanometers by 10^9 (1 meter = 10^9 nanometers).10 nanometers = 10/10^9 meters = 0.00000001 metersc. The density of ice is 920 kilograms per cubic meter.

To calculate the mass of a 0.20 cubic meter block of ice we can use the formula;mass = volume × density = 0.20 cubic meters × 920 kilograms/cubic meter = 184 kilograms Therefore, the mass of the 0.20 cubic meter block of ice is 184 kilograms.

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Answer:

Economic development

Explanation:

People are unable to see far-away objects clearly because of a condition known as myopia. This happens because the cornea is slightly curved.

The cause of myopia is when light enters the retina and instead of settling on it, it settles in front of it. In this condition, also known as nearsightedness, they can see near objects but not distant objects.

To make the advertisement you can do this:

Are you unable to see distant objects? A solution might just be ready for you. Regain your eyesight with this effective glass that is designed to help you see even your future from a distance. Limited stock is available. Buy now.

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If a disease wiped out the whole population of rats, it would lead to a disruption of the food chain, and many owl species may experience food shortages that would ultimately affect their survival.

Rats are a staple food for many owl species; hence, the extinction of rats due to disease may have disastrous consequences for the owl species.

It's fair to assume that many owl species would face food shortages if their rat population is wiped out due to disease.

In the end, the owl species may also be affected by the disease that kills the rats. A significant number of owl species may die as a result of food scarcity if the rat population is wiped out due to disease.

Owls, however, are opportunistic predators, which means they will feed on other animals if their primary prey is unavailable.

This means that the owls will have to adjust to their diet and find alternative prey items to survive.

Therefore, if a disease wiped out the whole population of rats, it would lead to a disruption of the food chain, and many owl species may experience food shortages that would ultimately affect their survival.

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To determine the number of mice that will be infected next week and in three weeks, we need to consider the probabilities of mice overcoming the virus and becoming infected. So according to given information 240 mice are will be infected in next week and 224 mice are will be infected in 3 weeks.

Next Week:

Currently, 300 mice are infected. Since there is a 90% chance that an infected mouse will overcome the virus, we can calculate the number of infected mice that will remain next week as follows:

Remaining infected mice = 300 * (1 - 0.9) = 30 mice

At the same time, there is a 30% probability that a non-infected mouse will become infected. We have 700 non-infected mice, so the number of mice that will be newly infected next week is:

Newly infected mice = 700 * 0.3 = 210 mice

Therefore, the total number of infected mice next week will be:

Total infected mice = Remaining infected mice + Newly infected mice = 30 + 210 = 240 mice

In 3 Weeks:

To calculate the number of mice infected in three weeks, we can repeat the same process.

Remaining infected mice after one week = 240 * (1 - 0.9) = 24 mice

Newly infected mice in the second week = 676 * 0.3 = 202.8 ≈ 203 mice

Remaining infected mice after two weeks = 203 * (1 - 0.9) ≈ 20.3 ≈ 20 mice

Newly infected mice in the third week = 680 * 0.3 = 204 mice

Therefore, the total number of infected mice in three weeks will be:

Total infected mice = Remaining infected mice after two weeks + Newly infected mice in the third week = 20 + 204 = 224 mice.

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Geologists use radiometric dating, the law of superposition, and index fossils to establish the ages of various rock layers in a formation. Researchers use radiocarbon dating as a technique to establish the age of fossils.

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Answer:

A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen

Explanation:

Answer:

A projector is an output device that projects an image onto a large surface, such as a white screen or wall. It may be used an alternative to a monitor or television when showing video or images to a large group of people.

Explanation:

Most projectors can be used for either front or rear projection. The difference is the screen, which is opaque white for front projection and semi-transparent grey for rear projection. Front projection sends the image from the position of the audience to the front of the screen. This is by far the most common method since it does not require an empty space behind the screen.

The best evidence would be two of her sons having hemophilia while one does not.

Hemophilia is a sex-linked recessive disorder. This means that females can be homzygous normal, heterozygous, or affected by the disorder while males can either be normal or affected.

Why? This is because males have only one X chromosome (XY) while females have 2 X chromosomes (XX).

Also, the X chromosomes in males are always from their mothers while their Y chromosomes come from the father.

So, if the two X chromosomes of Irene are normal for hemophilia, none of her sons should be affected. If the two X chromosomes are affected, all her sons will have the disorders.

When one X chromosome is affected and the other is normal, it means that some of her sons will inherit the affected chromosome and have the disorder while some will inherit the normal chromosome and will be free from hemophilia.

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The strongest evidence that Irene is heterozygous for the condition is the fact that two of her boys have hemophilia and one does not. Because hemophilia is an X-linked recessive disorder, the X chromosome plays a role in its genesis. Males only have one X and one Y chromosome, whereas females have two X chromosomes.

If Irene were homozygous for the normal allele (non-carrier), none of her boys would receive an incorrect X chromosome, preventing them from developing hemophilia. If Irene were homozygous for the hemophilia allele (affected), all of her sons would be affected by the disease since they would inherit her X chromosome.

However, Irene may be a carrier of the hemophilia allele given that two of her sons have the condition while one does not. As a transporter, she has one typical X chromosome and one X chromosome conveying the hemophilia allele. She can pass either the typical or the hemophilia allele to her posterity, bringing about a blend of impacted and unaffected kids.

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DNA damage. DNA repair mechanisms are processes that cells use to fix or repair any damage or errors in the DNA molecule. The DNA damage can be caused by various factors, such as exposure to ionizing radiation, chemical mutagens, and normal cellular metabolic processes. If the DNA damage is not repaired, it can lead to mutations, genomic instability, and cell death. DNA repair mechanisms play a crucial role in maintaining the integrity of the genetic material and preventing diseases such as cancer and aging.

Base Excision Repair (BER): This mechanism repairs damaged bases in the DNA molecule by removing them and replacing them with the correct base, Nucleotide Excision Repair (NER): This mechanism removes large sections of damaged DNA and replaces them with new nucleotides, Double-Strand Break Repair: This mechanism repairs double-stranded breaks in the DNA molecule, which can be caused by exposure to ionizing radiation or other sources of DNA damage. Mismatch Repair: This mechanism corrects errors that occur during DNA replication, where a wrong nucleotide is incorporated into the DNA strand. Overall, DNA repair mechanisms help to maintain the integrity of the genetic material and prevent the harmful effects of DNA damage.

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Answer:

A. It has its own shape

The statement which describes the physical state of a solid but not a liquid or a gas is Choice A: It has it's own shape.

The three main states of matter as known are;

In the solid state of matter, the particles are tightly packed together as opposed to the case in fluids (liquids and gas).

As such, solids have their own (definite) shape, a characteristic which is not present in liquids and gases.

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The world's forests cover a significant portion of the planet's land area and provide essential ecosystem services.

In conclusion, the world's forest cover spans a significant area and provides essential ecosystem services, including climate regulation, biodiversity preservation, soil retention, water filtration, resource provision, and recreational value.

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