How many different proteins does the ribosome consist of?
1. 20  2. 80 
3. 60  4. 40 
Subtopic:  Translation |
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The process of translation of mRNA to proteins begins as soon as:

1. The tRNA is activated and the larger subunit of ribosome encounters mRNA
2. The smaller subunit of ribosome encounters mRNA
3. The larger subunit of ribosome encounters mRNA
4. Both the subunits join together to bind with mRNA
Subtopic:  Translation |
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Against the codon 5' UAC 3', what would be the sequence of anticodon on tRNA ?
1. 5' AUG 3'
2. 5' ATG 3'
3. 5' GTA 3'
4. 5' GUA 3
Subtopic:  Translation |
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The first phase of translation is:

1. Recognition of DNA molecule

2. Aminoacylation of tRNA

3. Recognition of an anti-codon

4. Binding of mRNA to ribosome

Subtopic:  Translation | Translation Mechanism |
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Under which of the following conditions will there be no change in the reading frame of the following mRNA?

5'AACAGCGGUGCUAUU 3'

1. Deletion of GGU from 7th, 8th and 9th positions
2. Insertion of G at the 5th position
3. Deletion of G from the 5th position
4. Insertion of A and G at the 4th and the 5th positions respectively

Subtopic:  Translation |
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Which of the following rRNA acts as structural RNA as well as ribozyme in bacteria?

1.  5S rRNA
2.  18S rRNA
3.  23S rRNA
4.  5.8S rRNA
Subtopic:  Translation |
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A sequence of how many nucleotides in messenger RNA make a codon for an amino acid:

1. Four

2. One

3. Two

4. Three

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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 |
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Anticodon occurs in:

1. t-RNA

2. m-RNA

3. rRNA

4. DNA

Subtopic:  Translation |
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In a three-dimensional view, the molecule of t-RNA is:

1. L-shaped 2. S-shaped
3. Y-shaped  4. E-shaped
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