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Protein Structure Overview Quiz

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Questions and Answers

What type of bond links amino acids together in a protein?

Hydrogen bonds

Peptide bonds (correct)

Ionic bonds

Disulfide bonds

What is the function of the initiation codon in translation?

To specify the end of translation

To specify the folding of the protein

To specify the start of translation (correct)

To specify the sequence of amino acids

What is the term for the phenomenon where one amino acid can be specified by more than one codon?

Redundancy

Degeneracy (correct)

Specificity

Universality

How many types of tRNA molecules are found in cells?

30-50 Signup and view all the answers

What is the function of the anticodon in tRNA?

To pair with the corresponding codon Signup and view all the answers

What is the term for the phenomenon where the first nucleotide in the tRNA anticodon can pair with more than one nucleotide in the mRNA codon?

Wobble base pairing Signup and view all the answers

What is the reading frame of a sequence of nucleotides?

A contiguous and non-overlapping set of three-nucleotide codons Signup and view all the answers

What is the function of aminoacyl-tRNA synthetase?

To attach the amino acid to the tRNA Signup and view all the answers

What is the structure of the ribosome in bacteria?

30S + 50S Signup and view all the answers

What is the function of the Shine-Dalgarno sequence in bacterial translation?

To bind the ribosome to the mRNA Signup and view all the answers