University of Benin

BCH 202

Practice 199+ past questions for BCH 202 at University of Benin. Organized by topic with explanations. Free preview on Testwiz.

199+ questions24 topics200 LevelTheory questionsTopic summaries

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About BCH 202 at University of Benin

BCH 202 is a 200 Level course at University of Benin. Students preparing for BCH 202 exams on Testwiz get 199+ practice questions across 24 topics, including theory questions and topic summaries.

Instead of cramming the night before, students who practice by topic — DNA replication function and cell cycle timing, DNA Gyrase (Topoisomerase II) role, DNA Ligase and DNA Helicase functions, and more — build real familiarity with how University of Benin tests BCH 202, catch weak spots early with Testwiz's analytics, and walk into the exam with actual reps under their belt.

Topics covered

DNA replication function and cell cycle timingDNA Gyrase (Topoisomerase II) roleDNA Ligase and DNA Helicase functionsDNA Polymerase III: major replication enzymeRNA primer and primase functionOkazaki fragments and gap fillingDNA polymerases: properties and mechanismDNA Polymerase I: roles and exonuclease activityLeading and lagging strand synthesisReplication fork formation and initiationSingle-strand binding proteins (SSBP)DNA and RNA as genetic macromolecules+12 more

Sample questions

1. DNA replication primarily occurs during which phase of the cell cycle?

a.G1 phase

b.M phase

c.G2 phase

d.S phase

2. Which of the following BEST describes the primary function of DNA gyrase during replication?

a.It unwinds the DNA double helix ahead of the replication fork

b.It removes supercoils generated by DNA unwinding

c.It synthesizes RNA primers to initiate DNA synthesis

d.It seals nicks between Okazaki fragments on the lagging strand

3. Which of the following is NOT a function of DNA ligase?

a.Sealing gaps in the lagging strand

b.Removing RNA primers from Okazaki fragments

c.Catalyzing the formation of phosphodiester bonds

d.Joining the ends of two DNA segments

4. The enzyme that catalyzes the unwinding of the DNA double helix during replication is:

a.DNA primase

b.DNA helicase

c.DNA ligase

d.DNA gyrase

5. Which of the following statements about DNA polymerase III is CORRECT?

a.It requires a DNA primer for polymerization

b.It is a minor replication enzyme in prokaryotes

c.It is the major replication enzyme in prokaryotes

d.It has both 5'→3' and 3'→5' exonuclease activities

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Testwiz has 199+ BCH 202 practice questions for University of Benin, organized across 24 topics, including theory questions. Sign up free to start practicing.

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BCH 202 on Testwiz covers DNA replication function and cell cycle timing, DNA Gyrase (Topoisomerase II) role, DNA Ligase and DNA Helicase functions, and more. Practice on Testwiz to see the full topic breakdown and sample questions.