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DNA Structure & Replication

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Which macromolecule carries genetic information?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

2.

Which of the following is NOT part of a nucleotide?

a)

Sugar

b)

Phosphate

c)

Nitrogen Base

d)

Nucleic Acid

3.

The monomer of nucleic acids are...

a)

Nucleotides

b)

Proteins

c)

DNA

d)

RNA

4.

Which nitrogen base is ONLY in RNA?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Uracil

5.

Which nitrogen base is ONLY in DNA?

a)

Thymine

b)

Adenine

c)

Guanine

d)

Uracil

6.

DNA is shaped like a...

a)

Pentagon

b)

Single Strand

c)

Double-Helix

d)

Circle

7.

What is the difference between a hydrogen bond and a covalent bond?

a)

Hydrogen bonds are weaker than covalent bonds

b)

Hydrogen bonds the phosphate backbone, covalent bonds the nitrogen bases

c)

Hydrogen bonds are stronger than covalent bonds

d)

Hydrogen bonds are in RNA, covalent bonds are in DNA

8.

Which of the following base pairs for both DNA and RNA is incorrect?

a)

A - T

b)

C - G

c)

A - U

d)

C - T

9.

A section of DNA that codes for a protein is called a...

a)

Gene

b)

Chromosome

c)

Chromatid

d)

Nucleic Acid

10.

In which phase of the cell cycle does DNA replication happen?

a)

Mitosis

b)

Meiosis

c)

Cytokinesis

d)

Interphase

11.

Which of the following statements about DNA replication is FALSE?

a)

A binds with T, C binds with G

b)

Two identical DNA molecules are formed

c)

Part of the original DNA strand is used in each new DNA molecule

d)

DNA replication produces RNA