Innate immune mechanisms _____
a. are fast acting
b. take about a week to 10 days to come into full effect
c. are very specific for their targets
d. are tailored to only a few specific pathogens
e. are produced by genetic recombinations
ANSWER: a
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Rabbits were introduced to Australia in the 18th century. There were no other rabbits in Australia and there were no
natural predators for the rabbits. It is likely that their population experienced ____.
a. per capita birth rate b. logistic growth c. exponential growth d. sudden death e. density independence
Which of the following lacks a nucleus?
a. bacterial cell. b. fungus cell. c. animal cell. d. protist cell. e. all of these have a nucleus
The inner cell mass will eventually become the
a) zygote b) morula c) blastocyst d) fetus
Trace the path of blood flow through the heart and lungs, starting with the superior and inferior vena cava.
What will be an ideal response?