In the lac operon, the product of structural gene lacZ is capable of ________
A) forming ATP from pyruvate
B) forming lactose from two glucose molecules
C) binding to the operator of the lac operon
D) splitting the linkage of lactose to produce glucose and galactose
E) transporting lactose into the cell
Answer: D
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a. TRUE b. FALSE
Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the heterozygous genotype?
A. 0.32 or 32% B. 0.64 or 64% C. 0.8 or 80% D. 0.2 or 20% E. 0.96 or 96%