Which of the following nucleic acids is present in an organism having 70 S ribosome only-A- Single stranded DNA with protein coatB- Double stranded DNA enclosed in nuclear membraneC- Double stranded circular DNA with histone proteinsD- Double stranded circular naked DNA

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Ribosomes of Prokaryotic Cell

Which of the ...

Question

Which of the following nucleic acids is present in an organism having 70S ribosome only?

Single stranded DNA with protein coat

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Double stranded circular naked DNA

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Double stranded DNA enclosed in nuclear membrane

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Double stranded circular DNA with histone proteins

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Solution

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Organelle / organism	Type of DNA
(A) Chloroplast	(p) Double stranded circular DNA
(B) Mitochondria	(q) cpDNA
(C) E. coli	(r) Single stranded circular DNA

List-I	List-II
a. DNA Ligase	$1$ . Catalyses the covalent union of segments of an interrupted sugarphosphate strand in double-stranded DNA
b. DNA polymerase	$2$ . End nuclease that digests either single stranded or double stranded DNA
c. DNase I	$3$ . Produces single or double stranded breaks in DNA during replication to release tension brought about by the separation of double strands
d. DNA topoisomerase	$4$ . Catalyses the formation of DNA worn deoxyribonucleotides using one strand of DNA as template