A ________ is an example of a phagocyte that is part of _______ immunity.
A. macrophages/adaptive
B. macrophages/innate
C. helper T cell/adaptive
D. helper T cell/innate
Answer: B. macrophages/innate
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Which layer of the skin is composed of stratified squamous epithelium cells? a. Epidermis b. All of these choices have stratified squamous epithelium
c. Hypodermis d. Dermis e. None of these choices have stratified squamous epithelium.
The Reznick and Endler guppy study showed
that killifish and pike-cichlids raised in natural conditions will a. affect the age at first reproduction of the guppies that live with them. b. prey on guppies. c. affect the growth rate of guppies. d. affect the evolution of the guppies' life history traits. e. do all of these
In 1927, the U.S. Supreme Court upheld the right of states to use ____________________ as a means of preventing
reproduction by those deemed “unfit.” Fill in the blank(s) with the appropriate word(s).
If you wanted to decrease sperm production, which of the following hormones would be most effective?
A) inhibin B) FSH C) GnRH D) TSH