The site-specific recombination reaction outcome depends on the location and orientation of the target sites. Which of the following is a possible outcome?
A. Recombination between two oppositely oriented sites on the same DNA molecule will result in a deletion.
B. Recombination between two oppositely oriented sites on the same DNA molecule will result in an inversion.
C. Recombination between two oppositely oriented sites on the same DNA molecule will result in an insertion.
D. Recombination between two sites oriented in the same direction on the same DNA molecule will result in an inversion.
E. Recombination between two sites oriented in the same direction on different DNA molecules will result in a deletion.
B
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Which of the following is not part of the prepriming complex in bacteria?
A. DnaA B. DnaB C. DnaC D. oriC E. All of these components are part of the complex.
What can paleoecologists utilize to assess which tree species existed in an area?
A) climate models B) soil types C) DNA from current trees D) ancient pollen
Body appendages as diverse as crab legs, beetle legs, sea star arms, butterfly wings, fish fins, and mouse feet start out as ____.
A. clusters of cells in the limb buds B. cerebral cells C. cardiac cells D. offshoots of the sperm cell E. offshoots of the egg
In photosynthesis, the chemiosmotic production of ATP
A) requires oxygen. B) is similar to the production of ATP in mitochondria. C) is done by the Calvin cycle. D) is a result of the oxidation of glucose.