All the following are used to classify plankton except:
a. taxonomic groups.
b. functional groups.
c. life history.
d. light spectrum requirements.
e. size.
D
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The B form of the DNA double helix contains a wider major groove and a narrower minor groove because the two polynucleotide strands are not positioned directly opposite one another in the helical cylinder.
Answer the following statement true (T) or false (F)
Which of the following reactions is most likely to be exergonic? Select all correct choices
A. the synthesis of a phospholipid from glycerol and fatty acids B. the replication of DNA from free nucleotides C. the formation of cellulose from individual glucose molecules D. the digestion of protein from food into amino acids
carbon cycle: fossil fuels
What will be an ideal response?
Which of the following is found only in some bacteria?
A. Cell membrane B. Slime layer C. Cytoskeleton D. Flagella