What Is the Relationship Between the Transferrin Receptor and Ferritin

question 39

Multiple Choice

What is the relationship between the transferrin receptor and ferritin when iron stores are low?

• A)The expression of transferrin receptor increase to maximize the uptake of iron from the blood into the cells,and the expression of ferritin decrease.
• B)The expression of both the transferrin receptor and ferritin increase,to promote the uptake of iron into the cells.
• C)The expression of transferrin receptor decrease and the expression of ferritin increase so iron remains in the cell.
• D)The expression of both the transferrin receptor and ferritin decrease to maximize the amount of iron circulating in the blood.

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Definitions:

Hypothalamus

A region of the brain that controls an array of bodily functions, including temperature regulation, thirst, hunger, sleep, and emotional activity.

Pituitary Gland

A small endocrine gland in the brain that produces hormones regulating growth, metabolism, and reproduction.

Hormones

Biological compounds synthesized within the body responsible for regulating and managing the functions of specific cells or organs.

Sex Glands

Organs in the body that produce sex hormones and gametes, playing a crucial role in reproduction and hormonal balance.