Which of the following is a unique feature of the diaphragm?

a. It is the only smooth muscle in the human body.
b. It is the only smooth muscle that can be voluntarily controlled.
c. It is only found in humans.
d. It is the only skeletal muscle that is under involuntary control.
e. None of these are unique features


B

Biology & Microbiology

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Two different species are crossed and the second generation (F2) illustrates reduced fitness. This is an example of

____.

a. behavioral isolation b. gametic isolation c. hybrid breakdown d. crossing over e. hybrid sterility

Biology & Microbiology

The four most abundant elements needed by the human body are carbon, hydrogen, oxygen, and nitrogen. Because these are needed in large amounts to support our cells, these are referred to as

A. buffers. B. bulk elements. C. essential elements. D. trace elements. E. isotopes.

Biology & Microbiology

Which molecule is the final electron acceptor at the electron transport chain?

a. ATP b. oxygen c. phosphate d. acetyl-CoA e. NAD and FAD

Biology & Microbiology

Why are genetic databases so important to the study of modern genetics?

What will be an ideal response?

Biology & Microbiology