Spirally-coiled double strands are observed in
(a) DNA
(b) chromosome
(c) RNA
(d) chromatin

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Solution

(a) DNA

DNA is a spirally-coiled, double-stranded molecule.

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Similar questions

Correct the following statements if there is any mistake.

(a) The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine.

(b) Genes are specific sequences of bases on a chromosome.

(d) Nucleosomes are groups of cysteine molecules surrounded by DNA strands.

(e) If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.

Question 3
Chromosomes are made up of

(a) DNA
(b) Protein
(c) DNA and proteins
(d) RNA

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