Smooth muscle is responsible for
A) voluntary body activities.
B) the pumping action of the heart.
C) an athlete's ability to run a 100-meter dash.
D) involuntary body activities.
Answer: D
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A scientist is working in a lab sequencing DNA. After reading the results from a column of gel scanned in a fluoroscope, she determines that the sequence of bases in the newly synthesized DNA is AATTCCCGG
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Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?
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Photorespiration is detrimental for a plant because
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