What is the function of topoisomerase?
A) relieving strain in the DNA ahead of the replication fork
B) elongating new DNA at a replication fork by adding nucleotides to the existing chain
C) unwinding of the double helix
D) stabilizing single-stranded DNA at the replication fork
A
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How are the zygote and the dikaryotic stages of a fungal life cycle related?
A. The dikaryotic stage gives rise to the zygote through karyogamy. B. The dikaryotic stage and zygote stage are both diploid. C. The zygote stage gives rise to the dikaryotic stage through plasmogamy. D. The dikaryotic stage and zygote stage occur only in asexual life cycles. E. The zygote stage gives rise to the dikaryotic stage through meiosis.
Which feature of Homo habilis was apelike?
a. brain size b. face size c. fingers d. forearms e. tools they used
What are some benefits of sustainable development?
What will be an ideal response?
What are ways that pioneer species differ from climax communities?
a. Pioneer species occur only in primary succession, while climax communities occur in both types of succession. b. Pioneer species inhabit volcanic islands, while climax communities occur on continents. c. Pioneer species include only one or two species, while climax communities include many species. d. Pioneer species reproduce in small numbers, while climax communities reproduce in large numbers. e. Pioneer species tend to be small and simple, while climax communities tend to be larger and more complex