Protein Power
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Questions and Answers

Which of the following is NOT a function of proteins?

  • Transporting essential nutrients
  • Providing structural stability to cells
  • Storing genetic information (correct)
  • Catalyzing chemical reactions

Proteins consist of a long polypeptide chain that usually adopts a single stable three-dimensional structure. This stable structure is known as a protein _________.

  • Fold (correct)
  • Loop
  • Helix
  • Sheet

Which of the following is a widely used classification scheme for proteins based on their three-dimensional structure?

  • Neither CATH nor SCOP databases
  • SCOP database
  • CATH database
  • Both CATH and SCOP databases (correct)

Proteins can be classified based on their structure, function, or _________.

<p>Shape (B)</p> Signup and view all the answers

Proteins can be selectively transported to various compartments of the cell or _________.

<p>Secreted (B)</p> Signup and view all the answers

Which of the following is the first phase of protein synthesis?

<p>Transcription (C)</p> Signup and view all the answers

Where does transcription occur in eukaryotic cells?

<p>Nucleus (A)</p> Signup and view all the answers

What is the role of RNA polymerases in transcription?

<p>Convert DNA into mRNA (A)</p> Signup and view all the answers

What happens to pre-mRNA in eukaryotes?

<p>Undergoes post-transcriptional modifications (A)</p> Signup and view all the answers

Where is mature mRNA exported to in eukaryotic cells?

<p>Cytoplasm (A)</p> Signup and view all the answers

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