Which antibodies cross the placenta and protect the fetus?
A. IgA
B. IgG
C. IgM
D. IgD
B
Biology & Microbiology
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Which of the following is classified as a flatworm?
a. trematodes b. polyps c. medusa d. rotifers
Biology & Microbiology
Apply Darwin's theory of evolution by natural selection to explain how capsaicins have enhanced the survival of peppers
What will be an ideal response?
Biology & Microbiology
Which of the following would have the most surface area assuming the same volume?
A) a golf ball B) a perfect sphere C) a cube D) a tube
Biology & Microbiology
Leaflike outgrowths at the base of the leaf stalk are referred to as:
a. axils. b. blades. c. lamina. d. petioles. e. stipules.
Biology & Microbiology