The experimental proof for semiconservative replication of DNA was first shown in a:

1. Fungus

2. Bacterium

3. Plant

4. Virus

Subtopic:  DNA Replication |
 86%
From NCERT
NEET - 2018
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Select the correct match:

1. Alec Jeffreys – Streptococcus pneumoniae

2. Alfred Hershey and Martha Chase – TMV

3. Matthew Meselson and F. Stahl – Pisum sativum 

4. Francois Jacob and Jacques Monod – Lac operon 

Subtopic:  Gene Regulation: Lac Operon |
 87%
From NCERT
NEET - 2018
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Select the correct Match:

1. Ribozyme - Nucleic acid

2. F2 × Recessive parent - Dihybrid cross

3. T.H. Morgan - Transduction

4. G. Mendel - Transformation

Subtopic:  Translation Mechanism |
 76%
From NCERT
NEET - 2018
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Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as?
1. Polysome
2. Polyhedral bodies
3. Plastidome
4. Nucleosome
Subtopic:  Ribosome and Inclusion Bodies |
 93%
From NCERT
NEET - 2018
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AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?

1. AGGUAUCGCAU 2. UGGTUTCGCAT
3. ACCUAUGCGAU 4. UCCAUAGCGUA

Subtopic:  Transcription |
 62%
From NCERT
NEET - 2018
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All of the following are part of an operon except:
1. an operator
2. structural genes
3. an enhancer
4. a promoter
Subtopic:  Gene Regulation: Lac Operon |
 89%
From NCERT
NEET - 2018
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Which of the following RNA should be most abundant in an animal cell?

1. t-RNA
2. m-RNA
3. mi-RNA
4. r-RNA
Subtopic:  Transcription: I |
 67%
NEET - 2017
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DNA replication in bacteria occurs:

1. Within nucleolus

2. Prior to fission

3. Just before transcription

4. During S phase

Subtopic:  DNA Replication:III | DNA Replication |
 54%
NEET - 2017
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Spliceosomes are not found in cells of;

1. Fungi

2. Animals

3. Bacteria

4. Plants

Subtopic:  Transcription: IV | Transcription |
 74%
NEET - 2017
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Which of the following is required as an inducer(s) for the expression of lac operon?
1. galactose
2. lactose
3. lactose and galactose
4. glucose
Subtopic:  Gene Regulation: Lac Operon |
 85%
From NCERT
NEET - 2016
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