How might anthropogenic enhancement of the greenhouse effect result in increased primary production?
A) Warmer temperatures would lengthen the growing season and speed metabolism.
B) Enhanced CO2 concentrations would increase the rate of photosynthesis.
C) both of the above
Ans: C) both of the above
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Pyruvate can be regarded as the end product of ____
a. glycolysis b. acetyl CoA formation c. fermentation d. the Krebs cycle e. electron transport chain
The method of movement that requires the expenditure of ATP molecules is
a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. passive transport.
To answer the following questions refer to the four items listed below.
A. This is any DNA made from mRNA transcripts. B. This is a nuclease whose function is to cut apart foreign DNA entering a cell. C. This is from a viral source and catalyzes reactions to construct DNA strands from mRNA. D. This is an enzyme used to produce DNA without introns. E. This is a collection of host cells that house cloned genomic DNA.
During which growth phase are bacteria more susceptible to antimicrobial drugs?
A) lag phase B) log phase C) stationary phase D) death phase E) The susceptibility is the same for all phases.