The Nucleolus

question 18

Multiple Choice

The nucleolus

• A) contains ribosomes composed of RNA and protein
• B) is nicknamed the powerhouse of the cell
• C) is the brain for the cell's metabolic activity and cell division
• D) functions to organize the spindle fibers during cell mitosis

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Definitions:

Parathyroid Hormone

A hormone produced by the parathyroid glands responsible for regulating calcium levels in the blood.

Thymosin

A hormone produced by the thymus gland, involved in the development and differentiation of T-cells in the immune system.

Imperative

Imperative refers to something of vital importance or necessity that demands attention or action.

Vocative

The vocative case is a grammatical feature used to denote direct addressing of someone or something, typically seen in languages that have a case system.