MMSC491 Exam 1 QUESTIONS WITH ANSWERS

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MMSC491 Exam 1 QUESTIONS WITH ANSWERS

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2025/2026

Institution MMSC 491

Course MMSC 491

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MMSC491 Exam 1 QUESTIONS WITH ANSWERS

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MMSC491 Exam 1 QUESTIONS WITH |\ |\ |\ |\ |\

ANSWERS

Epigenetic - CORRECT ANSWERS ✔✔Changes in phenotype
|\ |\ |\ |\ |\ |\

Heritable
Not due to changes in DNA sequence
|\ |\ |\ |\ |\ |\ |\

DNA methylation or histone modification
|\ |\ |\ |\

Collective term for all different DNA molecules within a cell or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

organism - CORRECT ANSWERS ✔✔Genome|\ |\ |\ |\

DNA protein complex - CORRECT ANSWERS ✔✔Chromosome
|\ |\ |\ |\ |\ |\

How many DNA molecules does a male have? female have? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

CORRECT ANSWERS ✔✔Male 25 |\ |\ |\

Female 24 |\

Single ring based on carbon and nitrogen atoms
|\ |\ |\ |\ |\ |\ |\

C,T - CORRECT ANSWERS ✔✔Pyrimidine
|\ |\ |\ |\

Double ring structure |\ |\

A, G - CORRECT ANSWERS ✔✔Purine
|\ |\ |\ |\ |\

, How many bonds holds together G-C - CORRECT ANSWERS ✔✔3
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

hydrogen bonds |\

How many bonds hold together A-T - CORRECT ANSWERS ✔✔2
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

hydrogen bonds |\

DNA replication - CORRECT ANSWERS ✔✔In preparation for new
|\ |\ |\ |\ |\ |\ |\ |\ |\

DNA synthesis before cell division each strand unwinds with
|\ |\ |\ |\ |\ |\ |\ |\ |\

helicase
Both strands become available as templates for making
|\ |\ |\ |\ |\ |\ |\ |\

complementary DNA strands that are synthesized 5' to 3' |\ |\ |\ |\ |\ |\ |\ |\ |\

direction
Semi-conservative
One new strand (leading strand) can be synthesized continuously
|\ |\ |\ |\ |\ |\ |\ |\

The lagging strand is synthesized in pieces known as Okzaki
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

fragments

Classical DNA dependent DNA polymerase - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\

✔✔Standard DNA replication |\ |\

RNA dependent DNA polymerase - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\

✔✔Genome evolution and telomere function |\ |\ |\ |\

Use 1 of 2 DNA strands as a template for synthesizing an RNA
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

copy - CORRECT ANSWERS ✔✔Transcription
|\ |\ |\ |\

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Uploaded on: September 11, 2025
Number of pages: 13
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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