Question 1
According to the Watson-Crick model of DNA structure, which nitrogenous base pairs specifically with guanine via three hydrogen bonds?
Correct Answer:
Cytosine
Question 2
Which component is present in RNA molecules but absent in standard double-stranded DNA molecules?
Correct Answer:
Ribose sugar
Question 3
What type of chemical bond links adjacent nucleotides together along a single strand of DNA?
Correct Answer:
Phosphodiester bond
Question 4
What is the primary function of DNA helicase during DNA replication?
Correct Answer:
Unwinding the double helix by breaking hydrogen bonds between base pairs
Question 5
Which sequence correctly represents the Central Dogma of Molecular Biology?
Correct Answer:
DNA -> RNA -> Protein
Question 1
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About this Exam

Prepare with the O-Level Biotechnology Practice Questions - Singapore-Cambridge GCE Ordinary Level Biotechnology (Syllabus NP04) Exam practice quiz. This question bank includes 100 questions covering enzyme, industrial, culture, bioreactor, and function. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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O-Level Biotechnology Practice Questions - Singapore-Cambridge GCE Ordinary Level Biotechnology (Syllabus NP04) Exam

This practice set contains 100 questions from the matching question bank and focuses on enzyme, industrial, culture, bioreactor, and function. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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