The cytoplasm within the muscle fiber contains a molecule to distribute oxygen within the cell. This molecule is known as

A) myoglobin.
B) sarcolemma.
C) hemoglobin.
D) sarcoplasmic reticulum.


Ans: A) myoglobin.

Anatomy & Physiology

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Fill in the blank(s) with the appropriate word(s).

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Which molecules are scientists studying to understand the nature of cell control and genetics?

A) Amino acids B) Nucleic acids C) Phospholipids D) Steroids

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Which structure in the figure secretes an alkaline fluid that protects sperm by neutralizing acids in the urethra?

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Which of the following examples below describes an autoimmune disease?

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Anatomy & Physiology