Enzymes affect the reactions in living cells by changing the
a) products of the reaction
b) speed of the reaction
c) temperature of the reaction
d) pH of the reaction
Ans: b) speed of the reaction
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Syntrophic organisms cannot grow fermentatively without a hydrogen-consuming partner organism
Indicate whether the statement is true or false.
What is the hypothetical result of different mutations accumulating in different populations?
A. the evolution of different species B. the extinction of one population C. merging the populations through migration D. fixation of the same alleles in both populations E. decreased genetic isolation
Only ____________________ and randomly breeding populations will fit the Hardy-Weinberg
expectations. Fill in the blank(s) with the appropriate word(s).
The human genome carries approximately 20,000 genes
a. True b. False