The size of morula is about the same size as the original zygote.
a. true
b. false
Answer: a. true
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Which of the following produce intrinsic factor?
A) mucous neck cells B) zymogenic cells C) enteroendocrine cells D) parietal cells
Part of the support network surrounding developing sperm cells are nourishing cells called
A) interstitial cells. B) nurse cells. C) seminiferous cells. D) spermatogonia. E) spermatozoa.
You notice that you cannot read your book through a test tube of patient fluid held against the print, making it so blurred as to be unreadable. There is no precipitant in the bottom of the beaker, though it has been sitting for several days in a rack. What type of liquid is this?
A) suspension B) colloid C) mixture D) solution
Which of the following gives a cell structural support, determines the shape of a cell, and directs the movement of substances through a cell?
A. The Golgi complex B. The nucleus C. The cytoskeleton D. The plasma membrane E. Cholesterol