Which of the following statements about taste is false?
a. Taste receptors activate second messengers in the signal transduction process.
b. Genetics play a role in determining what a person tastes.
c. Taste receptors only detect chemicals that have been dissolved in saliva.
d. Smell affects flavor because odors pass from the mouth to the nasal cavity.
e. If taste receptors are damaged, they are incapable of regeneration
E
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Why was the determination of the actual sequence of the human genome considered to be descriptive science?
A. It did not involve deductive reasoning. B. It did not involve hypothesis-driven research. C. It involved hypothesis-driven research. D. It involved deductive reasoning.
You have been studying a recently discovered organism and have observed that the cells have an obvious nucleus. Based on this observation, the organism must be a prokaryote
a. true b. false
Wastes would accumulate and most nutrients would stop cycling if the ____ in the ecosystem died
a. protozoans and protistans b. bacteria and fungi c. flatworms, roundworms, and earthworms d. insects e. top carnivores
In combination with homologous recombination, the CRISPR/Cas system can be used to accomplish
A) gene fusions. B) gene deletion. C) point mutations. D) DNA cloning. E) gene fusions, gene deletions, or point mutations.