Which of the Following Contributes to Maintaining the Fidelity of the Genetic

question 133

Multiple Choice

Which of the following contributes to maintaining the fidelity of the genetic code?

• A) proofreading by RNA polymerase.
• B) proofreading by the spliceosome.
• C) proofreading by tRNA.
• D) proofreading by aminoacyl?tRNA synthetase.
• E) all of the above.

---

Definitions:

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.

Hormone

A chemical substance produced in the body that serves as a messenger, regulating and coordinating various physiological activities.

Consciousness

The quality or state of being aware of an external object or something within oneself.