Calcium Binding Proteins All Possess Two or More Characteristic Peptide

question 4

Multiple Choice

Calcium binding proteins all possess two or more characteristic peptide domains for Ca⁺⁺ binding that consist of a short α-helix, a loop of 12 amino acids and a second α-helix (helix-loop-helix) that is called:

• A) basic region leucine zipper.
• B) zinc finger.
• C) EF hand.
• D) beta-beta.
• E) none are true.

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Definitions:

Abdominal Aorta

The largest artery in the abdominal cavity that supplies blood to many of the abdominal and pelvic organs as well as the legs.

Unpaired Arteries

Arteries that do not have a matching artery on the opposite side of the body, often supplying blood to midline structures.

Renal Artery

Artery that originates from the aorta and delivers blood to the kidney.

Celiac Trunk

A major artery in the abdomen that supplies blood to the liver, stomach, spleen, and other organs.