What type of reactions take place in the portion of the sulfur cycle indicated in the figure above?
A. oxidation-reduction
B. fermentation
C. dissimilation
D. denitrification
E. carbon fixation
Answer: A
Biology & Microbiology
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The types of bonds found in nucleic acids are:
A. phosphodiester bonds. B. peptide bonds. C. ionic bonds. D. non-polar covalent bonds.
Biology & Microbiology
Chlorophyll a absorbs which color(s) of light?
a. red b. green c. violet d. red, violet, and orange e. red, violet, and green
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Including the membrane of the surrounding vesicle, how many phospholipid (NOT lipopolysaccharide) bilayers should be found around each P. chromatophora's chromatophore, and which one of these bilayers should have photosystems embedded in it?
A) two; innermost B) two; outermost C) three; innermost D) three; outermost
Biology & Microbiology