Which enzyme unwinds the DNA double helix by breaking hydrogen bonds between complementary base pairs?
U3L5E Protein Synthesis Enzymes

Quiz
•
Biology
•
10th Grade
•
Medium
Valerie VogelScheidt
Used 12+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Primase
Ligase
Topoisomerase
Helicase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme relieves the torsional strain generated during the unwinding of the DNA double helix by helicase?
Topoisomerase
RNA Polymerase
DNA Polymerase III
Ligase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of Single-Stranded Binding Proteins (SSBs) in DNA replication?
Seals the nicks between Okazaki fragments
Removes RNA primers
Synthesizes new DNA strand
Stabilizes the single-stranded DNA regions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme synthesizes short RNA primers complementary to the DNA template?
Primase
DNA Polymerase I
DNA Polymerase II
RNA Polymerase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme adds nucleotides in a 5' to 3' direction during DNA replication?
DNA Polymerase III
Helicase
Topoisomerase
Ligase
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA Polymerase I in DNA replication?
Stabilizes the single-stranded DNA regions
Seals the nicks between Okazaki fragments
Synthesizes new DNA strand
Remove RNA primers & replaces with DNA nucleotides
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme seals the nicks or gaps between the Okazaki fragments on the lagging strand?
Ligase
Primase
DNA Polymerase II
RNA Polymerase
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
Bio. 2 Quizziz Ch. 12: Molecular Genetics (DNA)

Quiz
•
10th Grade
12 questions
3 DNA replication - Higher Human Biology

Quiz
•
10th - 12th Grade
17 questions
DNA Replication

Quiz
•
9th - 12th Grade
20 questions
💎DNA, Protein Synthesis, & Biotechnology Vocab Quizizz

Quiz
•
9th - 12th Grade
18 questions
2.7, 7.2 (HL) Transcription

Quiz
•
10th - 12th Grade
20 questions
Genetic Molecules Review

Quiz
•
9th - 12th Grade
20 questions
DNA, Replication, Central Dogma

Quiz
•
9th - 12th Grade
20 questions
DNA. RNA, and Protein Synthesis

Quiz
•
10th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade