NEW
Font size
S
M
L
XL
WorksheetsStructure and DNA Replication
Total questions: 11
Worksheet time: 2mins
Name
Class
Date
1.
Adenine always pairs with ______________________.
a)
cytosine
b)
adenine
c)
thymine
d)
guanine
2.
The bond that is found between bases is called ________________ bond.
a)
James
b)
Hydrogen
c)
Nitrogen
d)
Oxygen
3.
Cytosine always bonds with _________________.
a)
Adenine
b)
Thymine
c)
Guanine
d)
Cytosine
4.
Which of the following is NOT part of a nucleotide?
a)
Nitrogen base
b)
Ribose
c)
Deoxyribose
d)
Phosphoric Acid
5.
What molecule is used for the genetic basis for all organisms?
a)
Deoxyribonucleic Acid
b)
Ribonucleic Acid
6.
Why are hydrogen bonds important in DNA replication?
a)
They are weak and allow replication to occur quickly
b)
Very strong to hold the DNA together
c)
Very strong because DNA is a very important molecule
d)
Very weak because DNA does not have a spine
7.
What role does helicase play in DNA replication?
a)
It edits the strand to make sure the correct base is matched
b)
It glues the correct base to the template DNA strand
c)
It acts like scissors and opens the DNA strand before copying
8.
What role does DNA polymerase play in DNA replication?
a)
It places the correct base on the template DNA strand
b)
It glues the correct base on the template strand
c)
It cuts the DNA strand open to begin DNA replication
9.
The purpose of DNA replication is __________________.
a)
To make 3 identical copies of DNA
b)
To make 2 identical copies of DNA
c)
To make 4 identical copies of DNA
10.
Guanine always pairs with _________________
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
11.
Thymine always bonds with
a)
Adenine
b)
Thymine
c)
Guanine
d)
Cytosine
Reset
