Which ecosystem has the lowest percentage of total net primary productivity?
a. open ocean
b. savanna
c. swamp and march
d. temperate deciduous forests
e. tundra
ANSWER: e
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A 1,4-glycosidic linkage would refer to which one of the following?
A. hydrogen bonding between carbon 1 and carbon 4 within a monosaccharide B. the covalent bond between the 1' carbon of one nucleotide and the 4' carbon of a second nucleotide C. the covalent bond between amino acid 1 in one protein and amino acid 4 in a second protein D. hydrogen bonding among the four bases in double-stranded DNA E. the covalent bond between carbon 1 of one monosaccharide and carbon 4 of a second monosaccharide
The growth of microorganisms in a food product is influenced by the availability of
A. moisture. B. acidity. C. nutrients. D. temperature. E. All of the choices are correct.
Which of the following will result in modifications to the expected Mendelian ratios?
A) Epistasis B) Incomplete dominance C) Incomplete penetrance D) Gene interaction E) All of these
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
a. true b. false