The epiglottis of a human covers the glottis when he or she is
A) talking.
B) breathing.
C) swallowing.
D) yawning.
E) sleeping.
Ans: C) swallowing.
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People with albinism carry two copies of the dominant allele (AA) and cannot make a pigment called melanin
a. True b. False Indicate whether the statement is true or false
The five-year survival rate of ____________________ cancer is only 13%
Fill in the blank(s) with correct word
Which of the following statements about kingdom Animalia is FALSE?
a. All adult animals are motile. b. All animals are eukaryotes. c. All adult animals are multicellular. d. Animal cells lack cell walls. e. All animals are heterotrophs.
Synthetic nucleic acids are useful as
A) DNA probes. B) primers for PCR. C) antisense RNAs. D) DNA probes and antisense RNAs. E) DNA probes, primers, and antisense RNAs.