What was the FIRST human gene product that bacteria were engineered to produce?

a. human growth hormone
b. insulin
c. blood-clotting factors
d. tissue plasminogen activator


Answer: B

Biology & Microbiology

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Organisms that use CO2 as their source of carbon are called

A. organotrophs. B. heterotrophs. C. autotrophs. D. chemotrophs.

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Sense mutations produce ____

a. elongated proteins b. shortened proteins c. extra termination codons d. frameshifts e. cell death

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During gel electrophoresis, DNA fragments are separated by size

a. True b. False

Biology & Microbiology

Prokaryotes are the only organisms able to use atmospheric nitrogen as a nitrogen source

Indicate whether this statement is true or false.

Biology & Microbiology