Which of the following organisms would be considered heterotrophs?
a. most bacteria
b. plants
c. hydrogen bacteria
d. dogs
e. most bacteria and dogs
Ans: e. most bacteria and dogs
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The Kingdom Plantae arose from:
A. a choanoflagellate B. a chytrid C. a charophycean D. a zygomycete E. a stramenopile
To create transgenic mice, DNA is injected into
A) a pronucleus of a zygote. B) the cytoplasm of a zygote. C) the nucleus after the pronuclei have fused. D) a pronucleus of one cell from an embryo.
Consider the ADH reaction below, and answer the following question. ADH stands for alcohol dehydrogenase
In the reaction above, ethanol represents the ____.
a. enzyme b. reactant c. product d. activation energy e. trigger
Which of the following is an advantage of using E. coli to make a human gene product?
a. Endotoxin may be in the product. b. It does not secrete most proteins. c. Its genes are well known. d. It cannot process introns. e. None of the answers is correct.