Cloning mammals has proven to be:
a. impossible.
b. easy and straightforward.
c. not technically feasible at the present time.
d. a technique that produces many similar-looking, deformed progeny.
e. a process with a low success rate and a high incidence of genetic defects. What will be an ideal response?
E
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Androgen insensitivity is characterized by
A. the internal sex organs of a female and may bear children. B. external female genitalia. C. a female karyotype. D. a lack of male hormones, such as testosterone.
Which sentence best explains why, during DNA replication, DNA ligase is most active on the lagging strand?
a. The lagging strand requires DNA ligase to couple the RNA primer to the Okazaki fragments. b. The lagging strand synthesizes DNA in the 3' ? 5' direction. c. The lagging strand is synthesized more slowly, and DNA ligase speeds up the DNA polymerase. d. The lagging strand contains more short DNA segments than the leading strand, and these short segments are joined together by DNA ligase.
Genes that play a role in proper cell division but may also play a role in some types of cancer are called (oncogenes/protooncogenes/promoters)
What will be an ideal response?
Each of the following correctly matches a five vesicle stage structure to its three vesicle stage origin, EXCEPT
A. Diencephalon - Forebrain B. Mesencephalon - Midbrain C. Metencephalon - Midbrain D. Myelencephalon - Hindbrain E. Telencephalon - Forebrain