Which of the Following Statements Is True of a Molecule

question 21

Multiple Choice

Which of the following statements is true of a molecule of tRNA?

• A) It contains 73-93 nucleotides per chain.
• B) It is about the same size as an average-sized molecule of mRNA.
• C) It is much larger than an average-sized molecule of mRNA.
• D) It contains 200-250 nucleotides per chain.

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Definitions:

Melatonin

A hormone secreted by the pineal gland, involved in regulating sleep-wake cycles and circadian rhythms.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by reducing the calcium and phosphate levels in the blood.

Adipose Tissue

A type of body tissue that stores fat, serving both as a source of energy and as a form of insulation for the body.

Liver

A vital organ in vertebrates and some other animals which plays a key role in metabolism, detoxification, and various other bodily functions.