Prokaryotes Were Split into Two Domains Based on Differences in ____

question 32

Multiple Choice

Prokaryotes were split into two domains based on differences in ____.

• A) staining characteristics
• B) metabolic capabilities
• C) rRNA sequences
• D) cell membrane properties
• E) cell wall composition

---

Definitions:

Negative Feedback Mechanism

A process where the output of a system dampens or reduces the processes leading to the output, maintaining system stability.

Parathyroid Glands

Small endocrine glands in the neck that produce parathyroid hormone, which regulates calcium levels in the blood and bone.

Pineal Gland

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

Melatonin

A hormone secreted by the pineal gland that plays a role in setting circadian rhythms.