Initiation codon is 
1. UUU 
2. UGA
3. AUG 
4. UAG

Subtopic:  Genetic Code |
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DNA multiplication is called 
1. translation 
2. replication 
3. transduction 
4. transcription
Subtopic:  DNA Replication |
 89%
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Repressor protein is produced by
1. regulator gene
2. operator gene
3. structural gene
4. promotor gene 
Subtopic:  Gene Regulation: Lac Operon |
 72%
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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
Subtopic:  The DNA |
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Stop codons are
1. AUG, GUG
2. UAA, UGA, UAG
3. UAC, UGG
4. AGU, AGA, UAC 
Subtopic:  Genetic Code |
 89%
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During DNA replication in prokaryotes DNA is anchored to anchored to 
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%
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%
Subtopic:  The DNA | DNA Double Helix |
 83%
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How many nucleotides are in 56 mRNA codons?
1. 168
2. 224
3. 56
4. 112
Subtopic:  DNA vs RNA as Genetic Material |
 51%
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Which of the following bonds is not associated with a deoxyribonucleotide?
1. Phosphoester bond 
2. Glycosidic bond 
3. Phosphodiester bond 
4. more than one option is correct 
Subtopic:  The DNA |
From NCERT
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