All of the Following Are Necessary for Contraction to Occur

question 100

Multiple Choice

All of the following are necessary for contraction to occur EXCEPT which one?

• A) Calcium levels must increase in close proximity to the contractile proteins.
• B) ATP must be present.
• C) Troponin-tropomyosin complex must shift out of the way.
• D) Cross-bridges must form between actin and myosin.
• E) The troponin and tropomysin must slide relative to each other, shortening the sarcomere.

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Definitions:

Primates

An order of mammals that includes humans, monkeys, and apes, characterized by large brains, forward-facing eyes, and dexterous hands.

Meiosis

A kind of cell division that produces the sex cells, each of which has half the number of chromosomes found in other cells of the organism.

Chromosomes

In the cell nucleus, the structures, visible during cellular division, containing long strands of DNA combined with a protein.