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Molecular Basis of Inheritance
NEET Biology • 10 questions • Free on ExamBattle
Practice Questions
Q1
The Watson-Crick double helix model states that DNA strands are:
- A. Parallel
- B. Antiparallel (5'→3' and 3'→5')
- C. Single-stranded
- D. Triple-stranded
Q2
In DNA, adenine pairs with thymine via:
- A. Three hydrogen bonds
- B. Two hydrogen bonds
- C. One hydrogen bond
- D. Covalent bond
Q3
The enzyme that unwinds DNA during replication is:
- A. DNA polymerase
- B. Helicase
- C. Ligase
- D. Primase
Q4
The template strand for transcription is also called the:
- A. Coding strand
- B. Non-coding (antisense/template) strand
- C. Sense strand
- D. Leading strand
Q5
A codon is a sequence of _____ nucleotides that codes for an amino acid:
- A. 2
- B. 3
- C. 4
- D. 1
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