After DNA fragments with matching sticky ends are temporarily joined by complementary base pairing, the union can be made permanent by the "pasting" enzyme
A) DNA ligase.
B) DNA polymerase.
C) Cas9.
D) reverse transcriptase.
Answer: A
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The accumulation of free oxygen in the atmosphere ____
a. was a result of the accumulation of a byproduct of a type of photosynthesis b. caused the further spontaneous generation of life c. provided the opportunity to extract more energy through anaerobic respiration d. occurred immediately after the earth was formed e. allowed for DNA to replace RNA as the primary data storage molecule
How does transcription inhibition differ between prokaryotes and eukaryotes? Describe the two mechanisms used by eukaryotes to direct the enhancers toward certain promoters and away from others
What will be an ideal response?
If a cell wall is analogous to the plant cell, which of the following is analogous to the animal cell?
a. the cytoskeleton b. the capsule c. the plasma membrane d. the extracellular matrix
Which process is similar to binary fission?
A. genetic variation B. crossing over C. meiosis D. mitosis