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Translation and Protein Synthesis Quiz

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Questions and Answers

What is the relationship between the language of nucleic acids and proteins?

Nucleic acids use a four-letter language, while proteins use a twenty-letter language. (correct)

Nucleic acids use a twenty-letter language, while proteins use a four-letter language.

Nucleic acids and proteins both use a four-letter language.

Nucleic acids and proteins both use a twenty-letter language.

What is the significance of the degeneracy of the genetic code?

It allows one amino acid to be encoded by multiple codons. (correct)

It ensures that each codon encodes a unique amino acid.

It prevents the synthesis of polypeptide chains.

It results in a one-to-one correspondence between codons and amino acids.

How many possible codons can be formed from the combination of 4 bases taken in groups of 3?

64 (correct)

What is the role of the ribosomes in translation?

Synthesis of the polypeptide chain based on genetic information from mRNA. Signup and view all the answers

What is the function of ribosomes in cellular protein synthesis?

Coordinating the translation of the genetic code Signup and view all the answers

In what step of protein elongation does the large subunit move ahead of the next codon on mRNA?

Large Subunit Translocation Signup and view all the answers

Where are the 80 S ribosomes prevalent?

Eukaryotes Signup and view all the answers

What is the sedimentation coefficient for the 70 S ribosomes?

70 S Signup and view all the answers

Which scientist first identified ribosomes with the electron microscope?

George Palade Signup and view all the answers

What do ribosomes appear as under electron microscopy?

Granules Signup and view all the answers