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ExtremeBDS [4]
3 years ago
14

Which of the following are true statements?

Biology
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

All of the above

Explanation:

The nucleus constitute DNA-protein complex termed chromatin. Chromatin is simply DNA  double helix entwined around proteins referred to as histones. These appear like beads when  stretched out, and each “bead” (DNA and histone) form the nucleosome. Genes are hereditary materials found on DNA. Chromosomes are composed of closely-packed chromatin, and become clearly visible  under a microscope during mitosis. During this stage the chromosomes have undergone the S Phase of the cell cycle, hence a copy of the DNA has been synthesized by DNA polymerase.

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What is the primary purpose of the chromosomes in a cells nucleus?​
Vladimir79 [104]

Answer:

They are made of protein and one molecule of deoxyribonucleic acid (DNA). As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.

5 0
3 years ago
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Explain how molecules and compounds are different and use examples
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A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds. All compounds are molecules.
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An organic disorder whose symptoms tend to develop gradually and worsen over time is
Ne4ueva [31]

Answer:

D.

Explanation:

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I hope this helps.

7 0
2 years ago
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How does capillary action help sustain life on earth?
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5 0
3 years ago
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Mary Morgan has just been brought into the emergency room of City General Hospital. She is perspiring profusely and is breathing
timurjin [86]

Answer:

The insulin must be administered.

Explanation:

In the given question the Mary has the acidosis that is the level of pH in the blood have dropped below 7.  

It is also provided that the smell of her breath is fruity due to the accumulation of fruity smell molecules called ketones which could be the result of the ketosis. Ketosis occurs when the cellular respiration uses fat as a substrate instead of the carbohydrate. This shows Mary has a condition called ketoacidosis.

The increased level of the glucose in the blood shows that the glucose is not absorbed by the cell which involves the insulin therefore the doctor should administer the insulin drug to the patient.

Thus, insulin is the correct answer.

4 0
2 years ago
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