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Q. No.In 1944, Avery, McCarty and Macleod isolated a substance from heat-killed virulent form of bacteria and added to nonvirulent form of bacteria which changed the non-virulent to virulent from this substance can be destroyed by?
1. DNAase
2. protease
3. lipase
4. amylase
Subtopic: Search for Genetic Material |
92%
From NCERT
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DNA element with ability to change position is called?
1. cistron
2. transposon
3. intron
4. recon
1. cistron
2. transposon
3. intron
4. recon
Subtopic: Mutations and Genetic Code |
64%
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Subtopic: DNA Replication |
89%
From NCERT
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Repressor protein is produced by
1. regulator gene
2. operator gene
3. structural gene
4. promotor gene
1. regulator gene
2. operator gene
3. structural gene
4. promotor gene
Subtopic: Gene Regulation: Lac Operon |
72%
From NCERT
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A genophore is made up of
1. a single double stranded DNA
2. a single stranded DNA
3. RNA and histones
4. histones and non-histones
1. a single double stranded DNA
2. a single stranded DNA
3. RNA and histones
4. histones and non-histones
Subtopic: The DNA |
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Subtopic: Genetic Code |
89%
From NCERT
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During DNA replication in prokaryotes DNA is anchored to anchored to
1. chromosome
2. mesosome
3. nucleolus
4. ribosome
1. chromosome
2. mesosome
3. nucleolus
4. ribosome
Subtopic: DNA Replication |
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A section of doublestranded DNA is composed of 32% adenine bases. What is the percentage of cytosine bases in the section of DNA?
1. 9%
2. 18%
3. 36%
4. 64%
1. 9%
2. 18%
3. 36%
4. 64%
Subtopic: DNA Double Helix |
89%
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A section of doublestranded DNA is composed of 22% Adenine bases. What is the percentage of Guanine bases in the section of DNA?
1. 22%
2. 28%
3. 44%
4. 56%
1. 22%
2. 28%
3. 44%
4. 56%
Subtopic: The DNA | DNA Double Helix |
83%
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