Untranslated regions (UTRs) are present

1. before the start codon and before stop codon

2. after the start codon and before the stop codon

3. before and after the start codon

4. before start codon and after stop codon

Subtopic:  Translation Mechanism |
 79%
From NCERT
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Polypeptides are

1. dictated by DNA

2. represented by mRNA

3. Expresssion of t-RNA

4. Both A and B

Subtopic:  Translation | Translation Mechanism |
 71%
From NCERT
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The percentage of base sequences, that are dissimilar among humans, is

1. 99.9%

2. 0.01%

3. 0.10%

4. 1.01%

Subtopic:  DNA Fingerprinting |
From NCERT
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Differences in sequence of DNA make every individual unique in their

1. total number of nucleotides

2. phenotypic appearance

3. both A and B

4. None of these

Subtopic:  DNA Fingerprinting |
 60%
From NCERT
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DNA fingerprinting is used to compare

1. similar sequences between two individuals

2. dissimilar sequences between two individuals

3. 3 million base pairs of two individuals

4. Both B and C

Subtopic:  DNA Fingerprinting |
From NCERT
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DNA fingerprinting identifies differences in

1. repetitive DNA

2. bulk DNA

3. satellite DNA

4. Both A and B

Subtopic:  DNA Fingerprinting |
From NCERT
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During density gradient centrifugation, major peaks are formed by

1. bulk DNA

2. repetitive DNA

3. Genomic DNA

4. Both A and C

Subtopic:  DNA Fingerprinting |
From NCERT
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During density gradient centrifugation, minor peaks represent

1. bulk DNA

2. repetitive DNA

3. Genomic DNA

4. Satellite DNA

Subtopic:  DNA Fingerprinting |
 63%
From NCERT
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Satellite DNA classification is based on

1. Base composition

2. length of segment

3. no of repetitive units

4. All of the above

Subtopic:  DNA Fingerprinting |
 82%
From NCERT
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Satellite DNA are

1. Protein coding

2. M-RNA coding

3. non- protein coding

4. satellite protein coding

Subtopic:  DNA Fingerprinting |
 77%
From NCERT
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