DNA Replication Quiz Practice

DNA Replication Quiz Practice

9th - 12th Grade

30 Qs

quiz-placeholder

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DNA Replication Quiz Practice

DNA Replication Quiz Practice

Assessment

Quiz

Science

9th - 12th Grade

Hard

NGSS
HS-LS3-2, HS-LS4-2

Standards-aligned

Created by

J. Ossont

Used 1+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During DNA replication, how is the leading strand built?

Continuously, as nucleotides are added to the 3′ end

Continuously, as nucleotides are added to both ends

In short segments, as groups of nucleotides are added all at once

In short segments, as nucleotides are added to the 5′ end

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are the leading and lagging strands built differently during elongation?

The lagging strand is built toward the replication fork, while the leading strand is built away from the replication fork.

An enzyme adds nucleotides to the lagging strand, but they spontaneously attach to the leading strand.

Nucleotides are added to the 3′ end of the leading strand and to the 5′ end of the lagging strand.

The lagging strand is built in short segments, while the leading strand is built continuously.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the lagging strand built during DNA replication?

Continuously, as nucleotides are added to the 5′ end

Continuously, as nucleotides are added to both ends

In short segments, as nucleotides are added to the 3′ end

In short segments, as groups of nucleotides are added all at once

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens at the beginning of DNA replication?

A group of enzymes attaches to the molecule and starts to build a new double helix.

The two strands of DNA are separated to form a Y-shaped replication fork.

RNA primers are removed and replaced with DNA nucleotides.

The code in the sequence of bases is transferred to an mRNA molecule.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which event must occur before nucleotides can be added to a new DNA strand during DNA replication?

RNA primers must be added to the template strands.

Hydrogen bonds must form between nitrogenous bases.

A strand of mRNA must be built from the template strand.

An enzyme must check the template strand for errors.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does primase play in the initial stages of DNA replication?

It builds a strand of mRNA using the code in the template strand.

It makes RNA primers and adds them to the template strand.

It checks for errors and removes any RNA nucleotides.

It adds nucleotides to RNA primers to build Okazaki fragments.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The model represents DNA replication. Where in this model are Okazaki fragments being built?

To the right of enzyme 1

To the right of enzyme 2

Along structure 1

Along structure 2

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