Which of the Following Peptide Mediators Is Normally Involved in Enhancing

question 26

Multiple Choice

Which of the following peptide mediators is normally involved in enhancing pain transmission?

• A) Endorphin.
• B) Substance P.
• C) Endothelin.
• D) Neuropeptide Y.

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Definitions:

Chromatin Packing

The process of winding DNA around histone proteins to compact it into structural units known as nucleosomes, which further fold to form chromosomes.

Proto-oncogene

A normal gene that can become an oncogene due to mutations or increased expression, potentially leading to cancer.

Oncogene

Cancer-causing gene formed by a mutation in a proto-oncogene; codes for proteins that stimulate the cell cycle and inhibit apoptosis.

Pesticides

Chemical substances used to kill, repel, or control pests, including insects, weeds, rodents, and fungi that affect plants or animals.