What special terms are used to describe the plasma membrane and cytoplasm of a skeletal muscle fiber?
A) The plasma membrane is called the neurolemma and the cytoplasm is called the neuroplasm.
B) The plasma membrane is called the sarcolemma and the cytoplasm is called the sarcoplasmic reticulum.
C) The plasma membrane is called the sarcolemma and the cytoplasm is called the sarcoplasm.
D) The plasma membrane is called the endomysium and the cytoplasm is called the soma.
E) The plasma membrane is called the epimysium and the cytoplasm is called the myoplasm.
Answer: C
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Which accurately describes the handling of urea by the kidney?
A. All of the urea that reaches the kidney is excreted in the urine. B. About half of the urea that is filtered is excreted in the urine. C. None of the urea that reaches the kidney is excreted in the urine.
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