DNA Basics

Description

Bachelors Degree Clinical Biochemistry and Molecular Genetics Quiz on DNA Basics, created by Sarah Juliette B on 01/02/2016.
Sarah Juliette B
Quiz by Sarah Juliette B, updated more than 1 year ago
Sarah Juliette B
Created by Sarah Juliette B about 8 years ago
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25

Resource summary

Question 1

Question
What is the process of genetic information being copied from DNA into messenger RNA (mRNA)?
Answer
  • Replication
  • Translation
  • Transcription
  • Gene Expression

Question 2

Question
The pyrimidines are cytosine and thymine.
Answer
  • True
  • False

Question 3

Question
What makes up a DNA molecule?
Answer
  • Ribose Sugar
  • Base
  • Phosphate Group
  • Deoxyribose Sugar
  • Acid

Question 4

Question
What bonds join the phosphate and sugar molecules in DNA?
Answer
  • Phosphoester
  • Phosphodiester
  • Hydrogen
  • Ionic

Question 5

Question
Which of these statements are correct?
Answer
  • The number of adenine bases never equals the number of thymine bases.
  • Deoxyribose sugar is missing an oxygen atom at it's 2' position.
  • G-C pairs are more thermodynamically stable than A-T pairs.
  • DNA is a left-handed double helix.
  • Bases are bonded together by hydrogen bonds.

Question 6

Question
Unwinding of the double helix is accomplished by the enzyme helicase.
Answer
  • True
  • False

Question 7

Question
What direction is DNA synthesised in?
Answer
  • 5' to 3' direction.
  • 3' to 5' direction.

Question 8

Question
What are the names of the short DNA segments in DNA replication which are ligated together by DNA ligase?
Answer
  • Lagging fragments.
  • Bases.
  • Okazaki fragments.
  • Primer sequences.
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