Which of the Following Nutritional Components Is Needed for Erythropoiesis

question 14

Multiple Choice

Which of the following nutritional components is needed for erythropoiesis?

• A) Cobalamin
• B) Vitamin B₁
• C) Vitamin D
• D) Zinc

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Definitions:

Second Messenger

A substance (e.g., cyclic AMP or calcium ions) that relays a message from a signaling molecule (the first messenger) bound to a cell-surface receptor; leads to some change in the cell.

Protein Kinase A

An enzyme that transfers phosphate groups from ATP to specific proteins, playing a key role in the regulation of cellular processes.

Tyrosine Kinases

A family of enzymes that catalyze the transfer of a phosphate group from ATP to a tyrosine residue in a protein, playing key roles in signal transduction pathways.

Enzyme-Linked Receptors

A class of membrane receptors that, when bound to a ligand, activate an intrinsic enzyme activity, leading to a cellular response.