The formation of sex cells in the human is termed
A. gametogenesis.
B. differentiation.
C. typogenesis.
D. karyogenesis.
E. sporogenesis.
Answer: A
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Consider an atom with four electrons in its outer shell. If that atom is covalently bound to three other atoms within a molecule, then it is
A. in a double bond with one atom and in single bonds with two atoms.?B. in a single bond with one atom and in double bonds with two atoms.?C. in a triple bond with one atom and in single bonds with two atoms.?D. in double bonds with all three atoms.?E. in single bonds with all three atoms.
Use the following key to choose the most correct answer.A. The first item is greater than the second item.B. The first item is less than the second item.C. The first item is equal or nearly equal to the second item.(1) Systolic pressure;(2) Diastolic pressure
Fill in the blank(s) with the appropriate word(s).
Cells that "eat" foreign material are called:
A) digesters B) macrocytes C) phagocytes D) morphocytes
Which describes the all-or-none law as it relates to muscle function?
A. All fibers in a motor unit contract or none of them do. B. All fibers in a fascicle contract or none of them do. C. The whole muscle contracts or it does not. D. All myofibrils contract maximally or they do not contract at all.