DNA

A visually engaging illustration of DNA strands, highlighting various enzymes involved in DNA replication and repair, with a vibrant background of molecular structures and genetic sequences.

Test Your DNA Knowledge

Test your understanding of DNA and its intricacies with this engaging quiz! Dive into topics such as enzyme functions, mutations, and repair processes that are essential in genetics.

15 multiple-choice questions
Explore critical concepts in molecular biology
Challenge yourself and see how much you know!

15 Questions4 MinutesCreated by StudyingGene32

Enzyme in charge of stabilizing the unbound DNA

Single stranded binding protein

Helicase

Topoisomerases

Primase

In charge of breaking down RNA primer and filling gaps with DNA

DNA polymerase III

DNA polymerase II

Primase

DNA polymerase I

Enzyme that has 3’—>5’ exonuclease activity proofreads each added nucleotide

DNA polymerase III

DNA polymerase II

Primase

DNA polymerase I

In charge of joining okazaki fragments

DNA polymerase I

DNA ligase

Primase

Telomerase

In eukaryotes is in charge of building the leading strand

DNA polymerase alpha

DNA polymerase gamma

DNA polymerase delta

DNA polymerase beta

Replicates mitochondrial DNA

DNA polymerase alpha

DNA polymerase gamma

DNA polymerase delta

DNA polymerase beta

Antibiotic that works by inhibiting topoisomerases

Macrolides

Metronidazole

Fluoroquinolones

Tetracyclines

Order in which base excision repair works:

Glycosylase --> ligase --> Dna polymerase

Endonuclease --> glycosylase --> dna polymerase --> ligase

Endonuclease --> dna polymerase --> ligase

Glycosylase --> endonucleases --> dna polymerase --> ligase

The change of glutamic acid for valine results in:

Sickle cell disease

Duchenne muscular dystrophy

Tay-sachs

Xeroderma pigmentosum

TRNA wobble refers to:

A transition from purine to pyrimidine

A nucleotide substitution that results in changed aminoacids

A change in the 3rd position but usually codes for same aminoacid

Deletion of insertion of a number of nucleotide not divisible by 3

Example of a damage in nucleotide excision repair

Lynch syndrome

Xeroderma pigmentosum

Ataxia telangiectasia

Duchenne muscular dystrophy

Mutation that refers to deletion or insertion of a number of nucleotide not divisible by 3, misreading all nucleotides downstream.

Nonsense mutation

Missense mutation

Frameshift mutation

Splice mutation

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