If the total amount of adenine and thymine in a double-stranded DNA is 45%, the amount of guanine in this DNA will be

(1) 22.5%

(2) 27.5%

(3) 45%

(4) 55%

Subtopic:  The DNA |
 67%
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NEET 2023 - Target Batch - Aryan Raj Singh
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AUG codes for

(1) valine

(2) histidine

(3) phenylalanine

(4) methionine

Subtopic:  Genetic Code: III | Genetic Code |
 90%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

In the lac operon model, lactose molecules function as:-

(1) inducers, which bind with the operator
gne

(2) repressors, which bind with the operator
gene

(3) inducers, which bind with the repressor
protein

(4) corepressors, which bind with repressors
protein

Subtopic:  Gene Regulation: Lac Operon |
 72%
From NCERT
AIIMS - 2012
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

A recessive mutant is one which is

(1) not expressed

(2) rarely expressed

(3) expressed only in homozygous and hemizygous state

(4) expressed only in heterozygous state

 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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If the total amount of adenine and thymine in a double-stranded DNA is 60%, the amount of guanine in this DNA will be

(1) 15%

(2) 20%

(3) 30%

(4) 40%

Subtopic:  The DNA |
 80%
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NEET 2023 - Target Batch - Aryan Raj Singh
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If T = 40%, C = 10% then G = ? in a pollen cell

(1) 40%

(2) 10%

(3) 91%

(4) 20%

Subtopic:  The DNA |
 92%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Translocase is an enzyme required for

(1) DNA replication

(2) RNA synthesis

(3) initiation of protein synthesis

(4) protein synthesis chain elongation

Subtopic:  Translation Mechanism |
 59%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Centre of DNA Fingerprinting and Diagnostics (CDFD) is located at

(1) Delhi

(2) Chennai

(3) Kolkata

(4) Hyderabad

Subtopic:  DNA Fingerprinting |
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NEET 2023 - Target Batch - Aryan Raj Singh
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In a bacterium, the amount of adenine was found to be 18 per cent. Suggest the cytosine base composition from the following

(1) 64%

(2) 36%

(3) 32%

(4) 18%

Subtopic:  The DNA |
 86%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In which of the following combinations, the compounds in ascending order based on their molecular weights are arranged?

(1) DNA, RNA, AMP, ADP, ATP

(2) DNA, RNA, ATP, ADP, AMP

(3) AMP, ADP, ATP, RNA, DNA

(4) AMP, ATP, ADP, DNA, RNA

Subtopic:  The DNA |
 61%
AIIMS - 2010
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