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meriva
3 years ago
11

The image below is a model showing how chromosomes and DNA are structured within a cell.

Biology
1 answer:
Art [367]3 years ago
5 0

Answer:

Z is gene.

Explanation:

W is nucleus

X is chromosomes

Y is DNA

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Contrapposto is defined as:
DochEvi [55]

Answer:

an asymmetrical arrangement of the human figure.

Explanation:

Contrapposto is an Italian term and it is use in visual art to describe

an asymmetrical arrangement of the human figure in which the line of the arms and shoulders contrasts with and balances the line of the hips and legs. It was an important sculptural development,it unveiling marks the first time in Western art that the human body is used to expression of relaxed physiological disposition.

3 0
3 years ago
How could the basic compounds necessary for life have been formed on early Earth
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Answer:<em> The Miller-Urey experiment provided the first evidence that organic molecules needed for life could be formed from inorganic components. Some scientists support the RNA world hypothesis, which suggests that the first life was self-replicating RNA.</em>

Explanation:

Simple organic compounds might have come to early Earth on meteorites.

5 0
3 years ago
Which of the following is a trait that links modern primates into a single taxonomic group?
swat32

Answer:a. Retention of five functional digits on the tore and hindimbs

Explanation:

The presence of five digits or pentadactyly on the fingers as well as on the toes makes the primates distinct from other mammals. Also the keratin nails are present on each digit makes these organisms distinct from other mammals.

The five digits on the hindlimbs helps in grip of objects and on toes helps in climbing.

6 0
3 years ago
A geneticist is studying a disease trying to determine how its inherited. DNA testing was completed on three generations of a fa
Anton [14]

Answer:

X-linked recessive inheritance

Explanation:

Since the disease is primarily present in males vs females, it is a s.ex linked disease.

In X-linked recessive inheritance, males tend to get disease b/c they only have one x (the other is y) which means if they get the bad "x" copy from mom then they definetely will get the disease.

Females can be carriers b/c they are XX. If they get a good copy from mom and suppose a bad copy from dad, they can still be healthy b/c the good copy is dominant. They will be carriers (cuz they have the bad copy) but themselves wont have the disease.

6 0
2 years ago
The differences between DNA and RNA are (name two:)
My name is Ann [436]

Answer:

Explanation:

The two difference between DNA and RNA are as follows:

1. The DNA is double stranded genetic material whereas RNA is single stranded.

2. The structure of DNA exhibit deoxyribose sugar whereas the RNA exhibit ribose sugar.

8 0
3 years ago
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