Q: If a ball is released from rest when air resistance is negligible, velocity is seen to increase linearly, while what related property is a constant? Choices: - time - speed - density - acceleration A:
acceleration
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Q: The plasma membrane of a skeletal muscle fiber is called the what? Choices: - sheath - annulata - soleus - sarcolemma A:
sarcolemma
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Q: What do microbes use to make food? Choices: - nitrogen - sunlight - plants - chemicals A:
chemicals
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Q: What speeds up the reactions of chemical digestion? Choices: - protein catalysts - electrical enzymes - stomach acids - digestive enzymes A:
digestive enzymes
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