Which of the following is not a feature of the genetic code?
A) Triplet
B) Degenerate
C) Non-overlapping
D) Ambiguous
Which of these acts as an inducer of the lac operon?
A) Allolactose
B) Lactose
C) Galactose
D) Glucose
The operon model of gene regulation was proposed by:
A) Crick
B) Jacob & Monod
C) Watson & Crick
D) Temin
Central dogma theory was proposed by:
A) Crick
B) Watson & Crick
The term 'nucleic acid' was coined by:
A) Watson
B) Levene
C) Altmann
D) Crick
Who first reported DNA as genetic material?
A) Griffith
B) Benzer
C) Avery, MacLeod & McCarty
D) Hershey & Chase
Pyrimidine bases include:
A) A & G
B) A & T
C) G & C
D) T, C & U
Semi-conservative replication of DNA was confirmed by:
A) Meselson & Stahl
B) Taylor
The term 'codon' was coined by:
A) Watson
B) Crick
C) Brenner
D) None of these
Bacteria have:
A) 70S ribosomes
B) 60S ribosomes
C) 50S ribosomes
D) 80S ribosomes
Which is the source of energy for amino acid activation?
A) ATP
B) GTP
C) CTP
D) TTP

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