Four of the five cells listed below are haploid. Select
the exception.
a. ovum
b. primary spermatocyte
c. spermatid
d. polar body
e. secondary spermatocyte
Answer: b
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The most prominent organelle visible in most eukaryotic cells is the
A. cell membrane. B. endoplasmic reticulum. C. nucleus. D. mitochondrion. E. chloroplast.
A cow converts the energy of glucose into the energy of ATP. What happens to most of the energy in that conversion?
a. It remains with the glucose – it can’t be extracted. b. It is lost as heat energy. c. It is within the ATP molecule. d. It is recycled back into glucose. e. It is utilized in other metabolic pathways.
__________ regulates the maturation of the mammary glands, and then _____ causes contraction of milk glands.
Fill in the blank(s) with the appropriate word(s).
The wavelength of light used plus the numerical aperture governs
A. size of the field. B. magnification. C. resolution. D. illumination. E. All of these choices are correct.