Practice Questions DNA Replication

Quiz
•
Biology
•
9th - 12th Grade
•
Easy
Standards-aligned

ARMANDO VIEIRA
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of DNA replication?
To create new RNA molecules
To produce two identical DNA molecules
To make proteins
To repair damaged DNA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is most directly involved in DNA replication?
RNA polymerase
DNA polymerase
Helicase
Ligase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What bonds are broken at the beginning of DNA replication?
Covalent bonds between bases
Hydrogen bonds between bases
Ionic bonds between sugars
Peptide bonds between proteins
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does complementary base pairing mean?
Bases pair randomly
Adenine pairs with Guanine, and Cytosine pairs with Thymine
Adenine pairs with Thymine, and Guanine pairs with Cytosine
Each base pairs with itself
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is DNA replication considered "semi-conservative"?
Half of the DNA is discarded during replication
Each new DNA molecule contains one old strand and one new strand
Only half of the DNA is copied
It conserves energy by using only half the bases
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does base pairing ensure accurate DNA replication?
Bases are chosen randomly to pair with the template strand
Each base only pairs with its specific complement
Base pairing determines which proteins are made
Base pairing stops mutations during replication
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If DNA polymerase adds an incorrect base during replication, what might happen?
The DNA strand will stop replicating
A mutation may occur in the new DNA molecule
The enzyme will correct itself automatically
The old DNA strand will be replaced
Tags
NGSS.HS-LS3-2
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