Which of the following statements is TRUE?
A. Synthesis of the lagging strand requires more DNA helicase enzymes than synthesis of the leading strand.
B. The lagging strand is synthesized in a semiconservative fashion while the leading strand is synthesized in a conservative fashion.
C. The leading strand is replicated continuously for the entire length of the chromosome, e.g. while the lagging strand has multiple origins of replication.
D. The lagging strand has a higher mutation rate than the leading strand.
E. None of the answers are true.
Answer: E
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The oldest spores from which bacteria have been successfully cultured were:
A. ten weeks old B. ten years old C. 7,000 years old D. 25 million years old E. 250 million years old
The tuft of fenestrated capillaries at which filtration takes place in the mammalian kidney is referred to as the
A. glomerulus. B. Bowman's capsule. C. renal corpuscle. D. proximal convoluted tubule. E. collecting duct.
Recombinant DNA technology is used to
A) create many copies of a specific piece of DNA. B) make more copies of DNA polymerase. C) copy protein into RNA. D) make RNA in the cell nucleus.
Mendelian principle that explains how, in a diploid organism, alleles separate during the formation of the gametes.
What will be an ideal response?