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a
The particles in nucleus of the cell, responsible for heredity are called chromosomes
b
Chromosomes are made up of proteins and nucleic acids.
c
Nucleic acids are also called nucleosides
d
Both (1) and (2)
answer is D.
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Detailed Solution
The particles in nucleus of the cell, responsible for heredity are called chromosomes, chromosomes are made up of proteins and nucleic acids.Both statements (1) and (2) are correct