Which of the Following Events Normally Activates a GTP-Binding Protein

question 36

Multiple Choice

Which of the following events normally activates a GTP-binding protein?

• A) GTP hydrolysis by the protein
• B) Activation of an upstream GTPase-activating protein
• C) Activation of an upstream guanine nucleotide exchange factor
• D) Phosphorylation of a bound GDP molecule by an upstream phosphorylase
• E) Pᵢ release after GTP hydrolysis

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Definitions:

Anal Canal

The final segment of the digestive tract through which feces are excreted from the body.

Fecal Incontinence

The inability to control bowel movements, causing unintended leakage of stool from the rectum.

Hemorrhoids

Swollen veins in the lower rectum and anus, often causing pain, discomfort, and rectal bleeding.

Colon Cancer

A type of cancer that begins in the large intestine (colon), part of the digestive tract.