Q1
The sugar present in DNA is:
📝 SolutionDNA contains the sugar deoxyribose, whereas RNA contains ribose.
Q2
In RNA, thymine is replaced by:
📝 SolutionIn RNA the base uracil (U) replaces thymine (T) found in DNA.
Q3
The process of copying DNA to form RNA is called:
📝 SolutionTranscription is the process of synthesising RNA from a DNA template.
Q4
The process of synthesising protein from mRNA is called:
📝 SolutionTranslation is the process where the mRNA sequence is decoded by ribosomes to build a protein.
Q5
A codon consists of how many nucleotide bases?
📝 SolutionA codon is a triplet of three nucleotide bases that codes for one amino acid.
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Class 12 · Biology
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