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Olin [163]
4 years ago
11

Based on the diagram above, which of the following describes the role of organ A?

Biology
2 answers:
lana [24]4 years ago
8 0

Answer:

the answer is D

Explanation:

the answer is D

vodka [1.7K]4 years ago
5 0

Answer: Option D

Explanation:

The blood from the mother carrying oxygen, and essential nutrients is carried to the fetus.There is no different system available in the developing fetus which aids in its growth and development.

The region representing A provides oxygen and nutrients to the fetus and removes carbon dioxide from fetus.

This can be defined as an intersection between the fetus and mother so that there can be exchange of materials.

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Which best describes the outcome of DNA replication?
defon

Answer: The correct answer is -

The new DNA molecule consists of one new strand and one old strand of DNA.

DNA replication is a process of formation of two molecules of DNA from a single DNA molecule (which is double stranded).

In this process, the two DNA strands of the original DNA are first separated so that the template strands are exposed.

Using the template strands, enzyme DNA polymerase adds nucleotides (in the direction 5' to 3') in a complementary manner-

For adenine, thymine, guanine, and cytosine in the template strand, thymine adenine, cytosine, and guanine are added respectively.

The new DNA molecule consists of one new strand and one old strand of DNA. That is why, it is also called semiconservative replication.

Thus, option third is the right answer.

3 0
3 years ago
Read 2 more answers
One way that a genetic counselor is able to help someone who has a genetic disorder and might want to have children in the futur
klio [65]

Advise them about the genetic disorder and the percentage chance of then passing on that disorder to their children.  Also the could advise them as to steps that can be taken in the event they do have children and they have the disorder.

The letter answer A.

8 0
3 years ago
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Now make a list of questions to guide you in your research. You should be able to answer these questions in your paper: What cha
damaskus [11]

Answer:

Thickness of the skin and hair on the body

Explanation:

Thickness of the skin and hair on the body are the characteristics of animals that help them to survive the temperatures of their environments. If the animal is herbivore so they feed on plants while if the animal carnivore it feed on flesh. Yes, they have characteristics such as long legs and powerful nose etc that help them find and capture food. Yes, the animals have ways to sustain themselves if the availability of food or water is limited such as camel. Different natural defenses used by these animals against predators such as Camouflage. Yes, they have characteristics to protect their young such as horns used by deer and buffalo.

6 0
3 years ago
What does the immune system do for months or years after the invasion of a certain antigen?
olga55 [171]

Answer:

idk

Explanation:

7 0
4 years ago
The chart below shows some information about two scientists.
ivann1987 [24]

Answer:

the answer is B i did this test

Explanation:

6 0
2 years ago
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