Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
How many nitrogenous bases are there in a codon?
✓
$3$
B
$2$
C
$1$
D
$5$
✓
Answer
Correct option: A.
$3$
Genetic codes are represented in the form of triplets.
Triplets are giving the perfect clue that there are $3$ nitrogenous bases in each codon which codes for an amino acid.
For example $\text{UCU}$ codes for serine.
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