Okazaki fragments are joined together by:
a. RNA polymerase.
b. DNA ligase.
c. DNA polymerase.
d. RNA ligase.
e. primase.
B
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Which of the following is a true statement about asexual reproduction in plants?
A) Clones of plants do not occur naturally. B) Cloning, although achieved in animals, has not been demonstrated in plants. C) Making cuttings of ornamental plants is a form of fragmentation. D) Reproduction of plants by cloning may be either sexual or asexual. E) Viable seeds can result from asexual reproduction only.
When a seed germinates, the embryo emerges from its dormancy and begins which phase of the plant life cycle?
A. sporophyte generation B. gametophyte generation C. dicot generation D. monocot generation E. alternate generation
In the whole-genome shotgun method, the genome is fragmented and individual fragments are
sequenced. How do we determine the order of the nucleotides in the intact chromosome?
a. The fragmentation is done in a very systematic way such that the physical arrangement of fragments is readily apparent. b. The sequence of the ends of the fragments overlap with the ends of other fragments. c. We supplement our information with data from a different technique to determine the final chromosome arrangement. d. DNA hybridization assays are conducted to determine the physical arrangement of the genes on the chromosome. e. After sequencing, the fragments are labeled and used as probes in a Southern blot.
Fossils suggest that the first primates resembled
a. the great apes. b. spider monkeys. c. bats. d. horses. e. small rodents.