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Protein Synthesis

Protein Synthesis
Which is required for protein synthesis?

All of these
tRNA
rRNA
mRNA

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Protein Synthesis
Which of the following is not a necessary component of translation?

Ligase
Amino acid
Anticodon
mRNA

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Protein Synthesis
Proteins contain __________ different amino acids, whereas DNA and RNA are composed of __________ different nucleotides

3,20
20,4
4,20
20,64

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Protein Synthesis
The lac operon contains the z, y and a structural genes

encoding p-galactosidase, galactose permeases and thio-galactosidase transacetylase respectively
encoding P-galactosidase only
None of these
encoding p-galactosidase and galactose permeases

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Protein Synthesis
Amino acids are joined together into a protein chain by which of the following?

DNA polymerase
Hydrogen bonds
Transfer RNA
Messenger RNA

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Protein Synthesis
Which of the following is not necessary for protein synthesis to occur, once transcription is completed?

Ribosomes
mRNA
tRNA
DNA

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