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A&P 1 EXAM 1 DNA BMCC BIO 425 QUESTIONS AND ANSWERS (100% PASS)
A&P 1 EXAM 1 DNA BMCC BIO 425 QUESTIONS AND ANSWERS (100% PASS)
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©PREP4EXAMS@2024 [REAL EXAM DUMPS] Thursday, July 18, 2024 5:35 PMA&P 1 EXAM 1 DNA BMCC BIO 425 QUESTIONS
AND ANSWERS (100% PASS)
What is DNA replication? - ✔️✔️The copying of DNA
What is the purpose of replicating the DNA? - ✔️✔️to produce two identical copies of a DNA
molecule.
In what period of the cell cycle does DNA replication take place? - ✔️✔️during the S phase
(Synthesis phase)
List the steps for DNA replication. - ✔️✔️1) Helicase: unzips double helix
2) primase: adds primers
3) DNA Polymerase: adds nucleotides
4) leading strand: nucleotides added towards repfork (1 primer)
5) lagging strand: creates okazaki fragments
6) ligase: removes primers & glues everything together
What is a mutation? - ✔️✔️A change in DNA
What is the problem if a mutation occurs? - ✔️✔️abnormalities in the cell
List the phases of the cell cycle. - ✔️✔️1) G1 phase: copies organelles
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