Sarah Juliette B
Quiz by , created more than 1 year ago

Bachelors Degree Clinical Biochemistry and Molecular Genetics Quiz on DNA Basics, created by Sarah Juliette B on 01/02/2016.

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Sarah Juliette B
Created by Sarah Juliette B about 8 years ago
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DNA Basics

Question 1 of 8

1

What is the process of genetic information being copied from DNA into messenger RNA (mRNA)?

Select one of the following:

  • Replication

  • Translation

  • Transcription

  • Gene Expression

Explanation

Question 2 of 8

1

The pyrimidines are cytosine and thymine.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 8

1

What makes up a DNA molecule?

Select one or more of the following:

  • Ribose Sugar

  • Base

  • Phosphate Group

  • Deoxyribose Sugar

  • Acid

Explanation

Question 4 of 8

1

What bonds join the phosphate and sugar molecules in DNA?

Select one of the following:

  • Phosphoester

  • Phosphodiester

  • Hydrogen

  • Ionic

Explanation

Question 5 of 8

1

Which of these statements are correct?

Select one or more of the following:

  • 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.

Explanation

Question 6 of 8

1

Unwinding of the double helix is accomplished by the enzyme helicase.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 8

1

What direction is DNA synthesised in?

Select one of the following:

  • 5' to 3' direction.

  • 3' to 5' direction.

Explanation

Question 8 of 8

1

What are the names of the short DNA segments in DNA replication which are ligated together by DNA ligase?

Select one of the following:

  • Lagging fragments.

  • Bases.

  • Okazaki fragments.

  • Primer sequences.

Explanation