DNA Basics

Descrição

Bachelors Degree Clinical Biochemistry and Molecular Genetics Quiz sobre DNA Basics, criado por Sarah Juliette B em 01-02-2016.
Sarah Juliette B
Quiz por Sarah Juliette B, atualizado more than 1 year ago
Sarah Juliette B
Criado por Sarah Juliette B quase 9 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

Questão
The pyrimidines are cytosine and thymine.
Responda
  • True
  • False

Questão 3

Questão
What makes up a DNA molecule?
Responda
  • Ribose Sugar
  • Base
  • Phosphate Group
  • Deoxyribose Sugar
  • Acid

Questão 4

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

Questão 5

Questão
Which of these statements are correct?
Responda
  • 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.

Questão 6

Questão
Unwinding of the double helix is accomplished by the enzyme helicase.
Responda
  • True
  • False

Questão 7

Questão
What direction is DNA synthesised in?
Responda
  • 5' to 3' direction.
  • 3' to 5' direction.

Questão 8

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

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