Initiation codon in eukaryotes is:
1.  UGA
2.  CCA
3.  AGA
4.  AUG

Subtopic:  Genetic Code: II |
 95%
From NCERT
AIPMT - 1999
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During the replication of bacterial chromosomes, DNA synthesis starts from a replication origin site and:

1. Is facilitated by telomerase

2. Moves in one direction of the size

3. Moves in a bi-directional way

4. RNA primers are involved

Subtopic:  DNA Replication: II |
From NCERT
AIPMT - 2004
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After a mutation at a genetic locus, the character of an organism changes due to the change in:

1. DNA replication

2. Protein synthesis pattern

3. RNA transcription pattern

4. Protein structure 

Subtopic:  Genetic Code |
From NCERT
AIPMT - 2004
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Gene is composed of:
1.  Amino acids
2.  Polynucleotide
3.  Fatty acid
4.  Nitrogen bases

Subtopic:  The DNA |
 66%
From NCERT
AIPMT - 1999
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Which form of RNA has a structure resembling clover leaf?

1. hn-RNA

2. m-RNA

3. t-RNA

4. r-RNA

Subtopic:  Translation |
 92%
From NCERT
AIPMT - 2004
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The molecular weight of DNA in yeast is:

1. 2. 56 × 109

2.  0.5  × 109

3. 7 × 107

4. 6 × 106

Subtopic:  The DNA |
AIPMT - 1999
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In inducible operon, regulatory gene synthesizes:
1. Promoter
2. Operator
3. Repressor
4. Aporepressor

Subtopic:  Gene Regulation: Lac Operon |
 72%
From NCERT
AIPMT - 1999
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The similarity between DNA and RNA is that both:

1. are polymers of nucleotides

2. have a similar pyrimidine

3. have similar sugars

4. genetic material

Subtopic:  The DNA |
 63%
From NCERT
AIPMT - 2000
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Length of one loop of B-DNA:

1. 3.4 nm.

2. 0.34 nm.

3. 20 nm.

4. 10 nm

Subtopic:  DNA Double Helix |
 81%
From NCERT
AIPMT - 2000
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Anticodon occurs in:

1. t-RNA

2. m-RNA

3. rRNA

4. DNA

Subtopic:  Translation |
 88%
From NCERT
AIPMT - 2000
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