which of the following is NOT a nucleic acid ?

a. DNA

b. mRNA

c. tRNA

d. Protein

Answer:

reverse transcriptase

Explanation:

The following is NOT a nucleic acid is - d. protein as it is a different macronutrient or macromolecule to nucleic acid.

Nucleic acids are macromolecules of a special class found in all living organisms and also in viruses. There are two types of major nucleic acids, DNA or deoxyribose nucleic acid and RNA or ribose nucleic acid.

Protein on other hand is a different class of macromolecules that perform many roles in the cell such as, structure, function, and regulation.

Thus, the correct answer is - D. protein.

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2
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Question 1
Which of the following statements about the resting membrane potential is TRUE?
Multiple choice question.

A)
The exterior of the cell has a net positive charge and the interior is neutral.

B)
The exterior of the cell has a net positive charge and the interior has a net negative charge.

C)
The exterior of the cell has a net negative charge and the interior is neutral.

D)
The exterior of the cell is neutral and the interior has a net negative charge.

E)
The exterior of the cell has a net negative charge and the interior has a net positive charge.