Mastering Biology (4) - BIOSCI 106 Quiz
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Questions and Answers

Which of these does NOT contain a structural protein?

  • Keratin
  • Actin
  • Ovalbumin (correct)
  • Collagen

Defensive proteins are manufactured by the _____ system.

immune

Where would a hydrophobic amino acid R group be found in a protein?

On the inside of the folded chain, away from water.

What is a major limitation of the ribbon model of a protein?

<p>It gives a false sense of open space in the protein.</p> Signup and view all the answers

Which of the following techniques uses the amino acid sequences of polypeptides to predict a protein's three-dimensional structure?

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

Polypeptides are assembled from _____.

<p>amino acids</p> Signup and view all the answers

RNA processing converts the RNA transcript into _____.

<p>mRNA</p> Signup and view all the answers

Which of the following diseases are associated with an accumulation of misfolded polypeptides?

<p>Both Alzheimer's and Parkinson's (D)</p> Signup and view all the answers

Study Notes

Structural Proteins

  • Ovalbumin does not serve as a structural protein.

Defensive Proteins

  • Defensive proteins are produced by the immune system, playing a critical role in defense mechanisms.

Hydrophobic Amino Acids

  • Hydrophobic R groups of amino acids are typically located on the interior of folded protein chains, minimizing exposure to water.

Protein Models

  • The ribbon model of proteins often misrepresents their structure by suggesting open spaces that do not truly exist.

Predicting Protein Structure

  • Bioinformatics utilizes amino acid sequences of polypeptides to forecast a protein's three-dimensional structure.

Polypeptide Assembly

  • Polypeptides are formed through the combination of amino acids, which are the building blocks of proteins.

RNA Processing

  • RNA processing transforms the RNA transcript into mature messenger RNA (mRNA), which is crucial for protein synthesis.

Misfolded Polypeptides

  • Accumulation of misfolded polypeptides is linked to serious neurodegenerative diseases, notably Alzheimer's and Parkinson's.

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Description

Test your knowledge of structural and defensive proteins with this set of flashcards from BIOSCI 106. Each question challenges you to identify concepts related to protein structure and function. Perfect for students looking to reinforce their understanding of biology.

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