The Only Gene That Has Been Positively Identified with the Onset

question 36

Multiple Choice

The only gene that has been positively identified with the onset of Alzheimer disease encodes a protein that _____.

• A) is involved in cholesterol metabolism
• B) breaks down neurotransmitters
• C) maintains the health of striatum cells
• D) attaches amino acids to tRNA molecules
• E) breaks down fatty deposits around neurons

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Definitions:

Urethra

The tube that conducts urine from the bladder to the outside of the body in both males and females, and also transports semen in males.

Concave Border

A term describing a curve or outline that curves inward, as seen in various anatomical structures.

Pelvis

A bony structure located at the base of the spine, composed of the pelvic bones (hip bones), sacrum, and coccyx, serving as the framework for the pelvis area and supporting the upper body's weight.

Reabsorption

The process by which the kidneys filter waste from the blood and reabsorb water and necessary substances back into the bloodstream.