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Subjects
Science State Board
Class 10
Genetics
Structure of chromosomes and DNA replication
11.
Structure and chemical composition of DNA molecule
Exercise condition:
3
m.
Choose the appropriate answers from the given options:
Type
Functions
1
.
Each nucleotide is made up of ______ parts.
three
five
four
six
2
.
Purines and pyrimidines are ____________.
Phosphoric acid
Nitrogenous acids
Nitrogenous bases
Sugar molecule
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