The first organisms used in recombinant DNA technology were ___________
A. fungi D. cows
B. bacteria E. humans
C. sheep
B
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An epidemic is
A. a disease that maintains a steady low-level frequency. B. a sudden increase in the occurrence of a disease above the expected level. C. a sudden unexpected occurrence of a disease in a limited segment of a population. D. when a disease occurs occasionally and at erratic intervals in the human population.
Which of the following is an example of an antagonist muscle pair in humans?
a. calf and gluteus maximus b. deltoid and pectoral c. hamstring and biceps d. calf and hamstring e. biceps and triceps
The 3-nucleotide sequences in DNA that is transcribed into mRNA codons are the same 3 nucleotides
as the anticodons that bind to those codons. Indicate whether the statement is true or false.
If a bone fragment resulting from a broken nose pushed against the olfactory (smell) nerve, triggering an action potential, the person would
A) register the sensation as a smell. B) register the sensation as a visual stimulus. C) register the sensation as a sound. D) lose her sense of smell. E) not register the sensation at all.