| ⇦ | 
| ⇨ |
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.
Related Questions: - Which one of the following is heterosporous?
- Steps taken by the Government of India to control air pollution include
- The uniform protoplasmic extensions on the intestinal epithelium is known as
- The fertilization in which male gametes are carried through pollen tube
- Mutations caused by mutagenic agents are termed as
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is heterosporous?
- Steps taken by the Government of India to control air pollution include
- The uniform protoplasmic extensions on the intestinal epithelium is known as
- The fertilization in which male gametes are carried through pollen tube
- Mutations caused by mutagenic agents are termed as
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply