31·The plasma membrane is selectively permeable. This means A. substances need c

Question

31·The plasma membrane is selectively permeable. This means A. substances need carrier molecules to pass through it. B. only certain substances can pass through it C. ATP is always needed to move molecules across the plasma membrane D. substances need permission to pass through it. E. only gases and water can pass through it 32. An example of a gap junction is A. a desmosome. B. a zonula adherens C. an intercalated disk. D. a striation. E. zonula occludens 33·The most numerous of the leukocytes is the A. lymphocyte B. basophil. C. eosinophil. D. monocyte E. neutrophil. 34. The region of the vertebral column is located in the neck. A. cervical B. thoracic C. sacral D. coccygeal E. lumbar

Explanation / Answer

31. The answer is B. Only cetrain substance can pass through it.
33. The answer is E. Neutrophil
34. The answer is A. Cervical
35. The answer is B. Zygomatic bone.
36. The answer is A. Activation energy
37. The answer is E. A band.

32. I am not sure...so...left it...

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