Expression of biological information

What is DNA REPLICATION ?

• The process of creating a complementary RNA strand from a DNA template.

• The process of producing two identical replicas of DNA from one original DNA a molecule

• The process of transcribing DNA into protein.

• The process of repairing damaged DNA.

Which enzyme unwinds the double helix during DNA replication ?

• Helicase

• Ligase

• DNA polymerase

• Topoisomerase

What is the role of DNA polymerase during replication ?

• Repairing damaged DNA

• Proofreading the DNA sequence

• Unwinding the DNA strands

• Synthesizing new DNA strands

What is the term for the process where each strand of the original DNA serves as a template for the production of its counterpart ?

• Conservative replication

• Dispersive replication

• Semiconservative replication

• Replicative transposition

Where does DNA replication begin in the genome ?

• Telomerase

• Origin of replication

• centromeres

• Exons

What is the structure of DNA called during replication ?

• Replication fork

• single-stranded DNA

• Double-stranded DNA

• Okazaki Fragment

Which of the following not associated with replication fork ?

• DNA polymerase

• Single-stranded dna binding protein (ssb)

• Dna helicase

• Dna ligase

Which enzyme is required for transcription ?

• Helicase

• DNA polymerase

• RNA polymerase

• EcoR I

What does transcription transfer genetic information from ?

• dna to rna

• trna to mrna

• dna to mrna

• mrna to trna

Which rna type is required for protein synthesis ?

• mrna

• trna

• rrna

• all of these