Rhizobia help plants meet their ____ requirements by producing ____
a. nitrogen; NH3
b. phosphorus; PO4
c. potassium; K2O
d. nitrogen; NO3
e. phosphorus; ATP
a
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In transduction, bacterial cells
a. take up pieces of DNA that are released as other cells disintegrate. b. take up pieces of DNA through the use of a virus. c. replicate DNA molecules. d. make replicate copies of one another. e. generate their own DNA.
The protein coat surrounding the viral genome is called the
A. matrix. B. capsid. C. envelope. D. capsule.
Low blood pressure would result in all of the following except:a
a reduction in glomerular hydrostatic pressure. b. a reduction in filtrate formation. c. a reduction in urine formation. d. a reduction in the number of filtration slits. e. a stimulation of the rennin-angiotensin-aldosterone pathway.
Which of the following is an example of translational regulation?
A) protein degradation B) DNA splicing C) protein folding D) mRNA degradation E) DNA methylation