On average, errors occur in DNA synthesis only once in every ten billion nucleotides incorporated. Which of the following does NOT contribute to this high fidelity of DNA synthesis? Group of answer choices Complementary base-pairing between the nucleotides "Tightening" of the DNA polymerase enzyme around its active site to ensure correct pairing before monomer incorporation Exonucleolytic proofreading by the 3ā²-to-5ā² exonuclease activity of the enzyme to correct mispairing even after monomer incorporation A strand-directed mismatch repair system that detects and resolves mismatches soon after DNA replication All of the above mechanisms DO contribute to the fidelity.
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Biology, 22.06.2019 06:20
Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons
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Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
On average, errors occur in DNA synthesis only once in every ten billion nucleotides incorporated. W...
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