DNA Repair and technology

DNA Repair and technology

12th Grade

26 Qs

quiz-placeholder

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DNA Repair and technology

DNA Repair and technology

Assessment

Quiz

Biology

12th Grade

Medium

NGSS
HS-LS3-2, HS-LS4-1, HS-LS1-1

Standards-aligned

Created by

Cynthia Silva

Used 3+ times

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do mismatch repair proteins play in the mismatch repair process?

They add new bases to the DNA strand.

They detect the base and remove it from the newly synthesized strand.

They replicate the DNA strand.

They bind the DNA strands together after repair.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens after the mismatch repair proteins remove the incorrectly added base?

The DNA replicates again.

The gap is filled with the correctly paired base.

The DNA helix unwinds.

Additional proteins bind to the DNA.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of nucleotide excision in DNA repair?

To add new nucleotides randomly along the DNA strand

To repair double-strand breaks in the DNA

To repair thymine dimers caused by UV exposure

To replicate DNA during cell division

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for cutting the DNA on each side of a thymine dimer during nucleotide excision repair?

DNA Ligase

DNA Polymerase

Nuclease

Helicase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does DNA Polymerase play in nucleotide excision repair?

It cuts the DNA at the site of damage

It synthesizes new DNA using the undamaged strand as a template

It seals the DNA backbone after repair

It recognizes the damaged sites on the DNA

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in the nucleotide excision repair process?

Recognition of the thymine dimer

Synthesis of new DNA

Excision of the thymine dimer

Formation of a phosphodiester bond between new and old DNA

Tags

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consequence of a silent mutation in DNA replication?

It changes the amino acid sequence of the protein.

It results in a premature stop codon.

It has no effect on the protein sequence.

It causes a frameshift mutation.

Tags

NGSS.HS-LS3-2

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