Restriction enzymes typically recognize
A) sequences in threefold symmetry.
B) single-stranded DNA only.
C) specific palindromic sequences.
D) several nucleotide sequences simultaneously.
E) all of the above
C) specific palindromic sequences.
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Color is an inherited trait in beetles. If brown beetles move into a population from a nearby island, which of the following statements is correct?
A. Gene flow causes the frequency of the green allele to increase. B. Gene flow causes the frequency of the brown allele to increase. C. Natural selection causes the frequency of the green allele to increase. D. Natural selection causes the frequency of the brown allele to increase. E. This is an example of genetic drift.
A hypothetical automobile has 100 parts that are to be assembled by four workers. During the car's assembly, each worker constructs 25 parts individually, and then the 4 resulting components are assembled together
The manner in which the car was assembled is much like which cellular strategy? A) hierarchical assembly B) renaturation C) electrostatic assembly D) self-assembly E) assisted self-assembly
Explain why annotation is an important step in genomic sequencing projects, in the context of the percentage of the
human genome composed of coding regions. What will be an ideal response?
Ectothermic animals regulate their body temperature by ____.
A. adjusting their metabolism B. relying on insulation such as feathers C. growing hair D. foraging for food E. altering their position