During the polymerase chain reaction (PCR), two strands of DNA are separated by
A) exposure to low pH.
B) centrifugation.
C) gel electrophoresis.
D) exposure to heat.
E) exposure to denaturing enzymes.
Ans: D) exposure to heat.
You might also like to view...
The basic unit of heredity is the ___________
A. individual B. gene C. macromolecule D. trait E. None of the answers are correct
How many quanta of light are needed to reduce one molecule of carbon dioxide to carbohydrate during photosynthesis?
A. 10-12 B. 2 C. 3 D. 4
Within the chordate classes, the unique characteristic of the class Aves is:
a. flight. b. production of uric acid. c. feathers. d. endothermy. e. a forked tongue
C4 photosynthesis
a. is the same as C3 photosynthesis, because it takes place in chloroplasts. b. occurs in plants whose bundle sheath cells contain chloroplasts. c. takes place in plants such as wheat, rice, and oats. d. is an advantage when the weather is hot and dry. e. Both b and d are correct.