NEET Biology question

Which of the following statement is incorrect about plasmids?

(A)They are extrachromosomal DNA
(B)They are used in genetic engineering
(C)They help in the replication of nucleoidCorrect
(D)They are small, circular and confer certain unique phenotypic characters to some bacteria like resistance to antibiotics

Answer: (C)

Solution

Plasmids are independent, self-replicating extrachromosomal DNA elements; they do not function to help replicate the main bacterial chromosome (nucleoid) — this is an incorrect claim. They

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Question ID VK-111858