Biology, 05.10.2020 14:01 smiley29162
Taq polymerase is an enzyme used in the polymerase chain reaction (PCR) to replicate
fragments of DNA, A study published in 1976 examined the properties of Taq polymerase
after the enzyme was isolated from Thermus aquaticus, a thermophilic bacterium that lives in
the hot springs of Yellowstone National Park. The graph shows one of the results of the study
Enzyme Activity
0 20 40 60 80 100
Temperature (°C)
Source: Chien et al., "Deoxyribonudeic Acid
Polymerase from the Extreme Thermophile
Thermus aquaticus," Journal of Biology
1976
Which statement about enzyme activity is best supported by this graph?
F An enzyme must be composed of multiple polypeptides, or subunits, to be active.
An enzyme's rate of activity increases with time until it becomes inactive.
HAn enzyme functions best under specific temperature conditions.
) An enzyme works equally well in bacteria that are adapted to high temperatures and in
eukaryotic cells such as human cells.
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Taq polymerase is an enzyme used in the polymerase chain reaction (PCR) to replicate
fragments of D...
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