DNA Repair

A vivid illustration depicting DNA strands, repair enzymes, and UV light effects on chromosomes in a scientific style. Include visuals of molecular structures and a laboratory setting.

Test Your DNA Repair Knowledge

Welcome to the DNA Repair Quiz! This quiz will challenge your understanding of the mechanisms and processes involved in DNA repair. Whether you’re a student of biology or just curious about genetics, this quiz is designed for you.

Try to answer all the questions and learn more about:

Excision Repair
Mismatch Repair
Pyrimidine Dimers
Double-Stranded Break Repair

8 Questions2 MinutesCreated by FixingGene123

Which of following is the name of an enzyme mainly involved in excision repair?

Helicase

RNA Polymerase

Glycosylase

Ligase

What enzyme seals the distinct gap between the phosphodiester bond?

Helicase

RNA Polymerase

RNA Ligase

DNA Ligase

When does mismatch repair occur?

Before new DNA is made

Right after new DNA is made

Does not happen at all

During the time of synthesising new DNA

Incision from_________will be carried out on either side of the lesion to create a 27-29 nucleotide gap.

5' to 3'

5' to 4'

3' to 4'

3' to 5'

Pyrimidine dimers are the result of the exposure to what? (Hint: Main source for DNA damage)

UV (Ultraviolet Light)

Gamma Ray Light

Carbon Monoxide

X-Ray

If all the nicks get repaired, it means that what bonds have been broken?

Hydrogen Bond

Intracellular Bond

Phosphodiester Bond

Intercellular Bonding

Which of the following happens in deamination?

Cytosine converted to uracil

Thymine converted to uracil

Adenine converted to uracil

Nothing happen

Which of the following is false regarding double-stranded break repair?

There are 3 ways to repair

Two strands of DNA are broken

It doesn't rearrange the genome

All is true

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