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Molecules, Genes and Disease 2023 - Session 1

Total questions: 5

Worksheet time: 6mins

Name
Class
Date
1.

Nucleotides are covalently linked together by what kind of bond?

a)

Phosphodiester

b)

Phospholipid

c)

Hydrogen

2.

Which of the following bases is considered a purine?

a)

Cytosine

b)

Uracil

c)

Guanine

3.

In RNA, which other base pairs with adenine?

a)

Guanine

b)

Thymine

c)

Uracil

4.

By convention, how is DNA annotated?

a)

The top strand is 5’ to 3’ from left to right.

b)

The top strand is 3' to 5' from left to right.

c)

The top strand is 5' to 3' from right to left.

5.

In double stranded nucleic acids, how many hydrogen bonds hold the CG base pair together?

a)

One

b)

Two

c)

Three