Which of the following enzymes is required in order to produce DNA molecules complementary to mRNA transcripts?
A) reverse transcriptase
B) reverse convertase
C) DNA transcriptase
D) DNA polymerase
E) RNA polymerase
Answer: A
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What cannot be determined from examining age pyramids of human populations?
A) the future population size B) the age structure of the population C) the success of future generations D) the fecundity of a future population
Which of the following do methanogens not use to form methane?
A. Formate B. Acetate C. Phosphate D. Carbon dioxide
A cross is done between parents with genotypes aaBbCc and aaBbcc. What is the probability that
offspring will have the same genotype as the first parent?
a. 1/8 b. 1/4 c. 3/8 d. 3/16 e. 9/16
Gene order can be inferred from gene expression patterns because
A) an upstream gene can affect downstream gene expression. B) mRNAs for proteins in a pathway are produced at the same time, but then are translated only when the proteins are needed. C) proteins in a pathway are produced at the same time but the proteins that are not needed are degraded. D) mRNAs for proteins in a pathway are produced at the same time and those that are not needed are destabilized by miRNAs. E) gene expression does not depend on upstream genes.