Why would a researcher choose to engineer a synthetic gut microbiome, versus simply performing a fecal transplant?
A. Fecal transplants are not possible.
B. More species can be transplanted by engineering.
C. Only a single species is responsible for benefits anyway.
D. Fecal transplants are too expensive.
E. Better control over the levels of helpful and harmful species.
Answer: E
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Answer: B
cxA) serine, aspartic acid, glycine, leucine B) methionine, glycine, phenylalanine C) methionine, valine, glycine, phenylalanine D) threonine, methionine, glycine
Without the cycling of water, biogeochemical cycles would cease
Indicate whether the statement is true or false
Female fireflies emit flashes of light that attract males. This communication is an example of which characteristic of life?
a. maintaining homeostasis b. metabolism c. interactions with the environment d. energy regulation
The first cloned cat, called Carbon Copy, was a calico, but she looked significantly different from her female parent because _____
A) the cloning was done poorly and it was likely that some contaminating cat DNA became part of Carbon Copy's genome B) fur color genes in cats is determined by differential acetylation patterns C) cloned animals have been found to have a higher frequency of transposon activation D) X inactivation in the embryo is random and produces different patterns