Luke sprained his ankle, tearing some of the collagen protein that forms his ligaments. Some types of collagen consist of three polypeptide chains twisted together to form a rope-like strand. What level of protein structure does this rope-like strand represent?

A. Quaternary
B. Secondary
C. Primary
D. Tertiary


Answer: A

Biology & Microbiology

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Which of the following pairs indicates the closest

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How is the mycelium a valuable adaptation for a fungus?

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A nucleus of the hypothalamus that contains high concentrations of both leptin receptors and insulin receptors

What will be an ideal response?

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