Piezophilic bacteria ________.
A. require high concentrations of H2S gas for growth
B. grow only in environments of reduced atmospheric pressure, such as found at high elevation
C. grow at pressures exceeding 100 atm
D. tolerate high concentration of barium
Answer: C
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When ?G' = 0 in a chemical reaction, under standard conditions,
A) reactants and products are at equilibrium. B) work can be done; energy is required. C) the reaction is spontaneous to the left. D) no work can be done; no energy is required. E) both choices A and D
Compare gene regulation in prokaryotes and eukaryotes, and explain the benefits of each regulatory arrangement
What will be an ideal response?
A disulfide bond is formed between _______ residues.
a. cysteine b. glycine c. methionine d. tyrosine
The CJVI has identified approximately 473 genes make up the core set of genes for prokaryotes. What did their findings suggest is the core set of genes in the human genome?
A) about 20,000 B) about 1000 C) about 2000 D) about 500