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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Assimilatory power’ is
- Which one of the following statements about morula in humans is correct?
- The release of pancreatic juice from the pancreas in a mammal is stimulated by
- Cabbage is the
- Bicollateral vascular bundles are found in family
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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