Which of the Statements About Muscle Contraction Is Not True

question 43

Multiple Choice

Which of the statements about muscle contraction is not true?

• A)During muscle contraction the sarcomere becomes shorter.
• B)During muscle contraction the I band becomes shorter.
• C)During muscle contraction the H zone becomes shorter.
• D)During muscle contraction the A band becomes shorter
• E)During muscle contraction the distance between the Z disk and the M disk becomes shorter.

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Definitions:

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals.

Organic Molecule

A compound that contains carbon atoms bonded together, often with hydrogen, oxygen, and other elements, and is part of living organisms.

Amino Acid

A building block of proteins, consisting of a basic amino group, an acidic carboxyl group, and a unique side chain.

Sulfur

A chemical element with symbol S and atomic number 16, known for its bright yellow color and importance in both organic molecules and inorganic minerals.