Which Effect Is NOT Mediated by the Protein Leptin?
A) $\beta$

question 11

Multiple Choice

Which effect is NOT mediated by the protein leptin?

• A) increased synthesis of uncoupler protein thermogenin
• B) decreased activity of the enzyme 5´-AMP-activated protein kinase (AMPK)
• C) increased activity of the sympathetic nervous system
• D) increased \(\beta\) oxidation
• E) decreased desire to eat

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Definitions:

Lymphocytes

White blood cells that play a significant role in the immune system, including T cells and B cells.

Antibodies

Proteins produced by the immune system to help fight off pathogens such as viruses and bacteria.

Cytokines

Chemicals secreted by T lymphocytes in response to an antigen. Cytokines increase T- and B-cell production, kill cells that have antigens, and stimulate red bone marrow to produce more white blood cells.

Major Histocompatibility Complex

A group of genes that play a critical role in the immune system's recognition of foreign molecules.