Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by _____
A) organizing gene expression, so that genes are expressed in a given order
B) allowing each gene to be expressed an equal number of times
C) allowing an organism to adjust to changes in environmental conditions
D) allowing young organisms to respond differently than more mature organisms
E) allowing environmental changes to alter a prokaryote's genome
Answer: C
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Chocolate agar is an example of a ________ medium
A) selective B) general-purpose C) nonselective enriched D) differential
Which answer best describes energy flow in biological systems as described in the text?
a. glucose ? G3P ? NADH ? ATP b. bacteria ? archaea ? plants ? animals c. NAD+ ? NADH ? ADP ? ATP d. G3P ? glucose ? ATP ? NAD+ e. pyruvate oxidation ? glycolysis ? fermentation ? citric acid cycle
Which of the following does NOT influence
the pH of extracellular fluids? a. respiration b. a high protein diet c. bicarbonate ions d. filtration by glomerulus e. phosphate and ammonia ions
In industrial microbiology, microbes growing on inexpensive nutrients are induced to synthesize valuable products such as amino acids, nucleotides, organic acids and vitamins.
Answer the following statement true (T) or false (F)