The basic difference between spermatogenesis and oogenesis is that ________
A) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
B) during spermatogenesis two more polar bodies are produced
C) the mature ovum is n, while the sperm is 2n
D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
A
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As a result of very low arterial blood pressure, glomerular hydrostatic pressure
A. rises and filtration decreases. B. drops and filtration increases. C. drops and filtration decreases. D. rises and filtration increases.
Which part of the diagram is considered nerve fiber?
a) A b) D c) I d) Both A and D e) All of these choices make up the nerve fiber
The process of ________________________________________, which induces the death of an animal quickly and painlessly, is sometimes the most humane course of action
Fill in the blank(s) with correct word
Contractions of the heart generate blood pressure, which is responsible for moving blood through the blood vessels.
a. true b. false