Taste buds detect
(a) light.
(b) atmospheric sound waves.
(c) chemicals in food and drink.
(d) movements of the head.
(c) chemicals in food and drink.
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Which genetic diseases involve defects in DNA repair that affect cell division?
a. Gaucher disease and Werner syndrome b. Kearns-Sayre syndrome and progeria c. progeria and Gaucher disease d. Gaucher disease and cystic fibrosis e. progeria and Werner syndrome
Which of the following is not a type of microRNA?
A. Antisense RNA B. tRNA C. Riboswitch D. miRNA E. siRNA
Mutation rates of human genes are usually expressed as the number of
A. nucleotides altered per gene. B. frameshift mutations per genome. C. mutated alleles per genome. D. mutant births per generation. E. mutated alleles per generation.
Approximately what percentage of the human genome is identical to that of a chimpanzee?
A) 50.0% B) 62.3% C) 92.0% D) 98.8%