Which of the following statements about PCR is true?
A. PCR uses DNA polymerase.
B. PCR stands for "polymerizing copies of RNA."
C. PCR can create several copies of a segment of DNA in a test tube.
D. One new strand of DNA is created with each replication cycle.
Answer: A
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A. chloroplasts B. mitochondria C. cytoplasm D. Golgi apparatus
A(n) _____ has a DNA sequence similar to a functional gene but has been mutated so that it no longer produces a
functional gene product.
a. pseudogene b. homologous gene c. orthologous gene d. microRNA-encoding sequence e. operon
The tail on a sperm cell is the only example of a flagellum in the human body.
a. true b. false
How does Borrelia burgdorferi evade the body's defenses?
A) It has a polysaccharide capsule. B) It has manganese-containing enzymes. C) It is capable of antigenic variation. D) It has a polysaccharide capsule and antiphagocytic proteins. E) It is capable of antigenic variation and has manganese-containing enzymes.