Muscle cells that are not exercised will atrophy, or shrink in size. Lou Gehrig's disease affects nervous tissue but also causes muscle atrophy. What type of nerve cell must be affected to cause this muscle-wasting condition?
A) neuroglial cells B) sensory neurons C) motor neurons D) interneurons
Answer: C
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When does a CAM plant take in atmospheric CO2?
a. daytime only b. nighttime only c. summer only d. winter only e. anytime the Calvin cycle is occurring
An amino acid contains a structural "backbone" chain of
A. nitrogens. B. phosphorus atoms. C. carbons. D. carbon and phosphorus atoms. E. nitrogens and carbons.
secretes enzymatic juices that aid in digestions, located in back of abdomin behind stomach, secretes insulin
What will be an ideal response?
Which of the following statements regarding mycoplasmas is FALSE?
A) They are low G + C content bacteria. B) They stain Gram positive. C) They are pleomorphic. D) They exhibit a "fried egg" appearance on solid media. E) They are the smallest free-living cells.