Isotopes used for providing semi conservative replication of DNA are

Isotopes Used For Providing Semi Conservative Replication Of Dna Are Biology Question

Isotopes used for providing semi conservative replication of DNA are

Options

(a) N¹⁴ and P³¹
(b) N¹⁴ and C¹⁴
(c) N¹⁴ and N¹⁵
(d) C¹⁴ and P³¹

Correct Answer:

N¹⁴ and N¹⁵

Explanation:

All bases in DNA contain nitrogen. There are 2 forms of nitrogen: Nitrogen¹⁴ (N¹⁴) which is lighter and its isotope Nitrogen¹⁵ (N¹⁵) which is heavier bacteria incorporate nitrogen from growing medium into new DNA made.

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Topics: Genetics (204)
Subject: Biology (4253)

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