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DNA Replication and Structure Quizs

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The building blocks of DNA are called

a)

nucleotides

b)

amino acids

c)

fatty acids

d)

sugars

2.

Which of the following enclose their DNA in a nucleus? prokaryotes, bacteria, eukaryotes, amoeba

a)

prokaryotes

b)

bacteria

c)

eukaryotes

d)

amoeba

3.

Structure X is

a)

a nucleotide

b)

a protein

c)

a carbohydrate

d)

a lipid

4.

Type the compliment to the following strand of base pairs below.
C G T T A G C C A G

a)

GCAATCGGTC

b)

CGTAAGCCAG

c)

CGAATCGGTC

d)

GCTTAGCCAG

5.

The sides of the DNA ladder are made up of alternating

a)

Sugars and Phosphate Groups

b)

Amino Acids and Nucleotides

c)

Lipids and Proteins

d)

Carbohydrates and Enzymes

6.

What is the role of DNA polymerase in DNA replication?

a)

Adds nucleotides to the growing DNA strand

b)

Unwinds the DNA double helix

c)

Repairs damaged DNA

d)

Synthesizes RNA from the DNA template

7.

What is the DNA compliment of A T A C C G?

a)

T A T G G C

b)

A T A C C G

c)

C G C C T A

d)

G C T A A G

8.

What is the name of the enzyme that causes the DNA to "unzip" or break apart?

a)

Helicase

b)

Polymerase

c)

Ligase

d)

Primase

9.

Which enzyme is responsible for joining Okazaki fragments during DNA replication?

a)

Helicase

b)

Ligase

c)

Polymerase

d)

Primase

10.

What is the name of the enzyme that adds nucleotides according to the base pair rules during replication?

a)

helicase

b)

ligase

c)

polymerase

d)

nuclease

11.

DNA is shaped like a

a)

Single Helix

b)

Double Helix

c)

Triple Helix

d)

Circular Strand

12.

Cytosine (C) always bonds with

a)

Adenine (A)

b)

Thymine (T)

c)

Guanine (G)

d)

Uracil (U)

13.

DNA replication is a semi-conservative process which results in each new DNA molecule having

a)

two original strands

b)

one complimentary strand and one original strand

c)

two complimentary strands

d)

one original strand and one mutated strand

14.

Who receives credit for the discovery of the DNA structure?

a)

Watson and Crick

b)

Rosalind Franklin

c)

James D. Watson

d)

Francis Crick

15.

In DNA Replication, Adenine (A) always bonds with

a)

Cytosine (C)

b)

Guanine (G)

c)

Thymine (T)

d)

Uracil (U)

16.

The sugar found in DNA is called?

a)

Ribose

b)

Deoxyribose

c)

Glucose

d)

Fructose

17.

The process of making more DNA is called

a)

DNA Replication

b)

RNA Transcription

c)

Protein Synthesis

d)

Cell Division

18.

Which of the following bases are purines? A/T, C/G, C/T, A/G

a)

A/T

b)

C/G

c)

C/T

d)

A/G

19.

Three parts of a nucleotide are

a)

Sugar, Phosphate and Nitrogenous Base

b)

Amino Acids, Carbohydrates and Lipids

c)

Glucose, Fructose and Sucrose

d)

DNA, RNA and Proteins

20.

During DNA replication, what two things must occur before the two strands can separate?

a)

unwind and break hydrogen bonds

b)

synthesize new nucleotides and repair DNA

c)

increase temperature and add enzymes

d)

form RNA primers and create Okazaki fragments