Proteins and Amino Acids Quiz
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Questions and Answers

What is the primary function of fibrous proteins?

  • Regulating hormonal activities
  • Catalyzing enzymatic reactions
  • Providing structural support (correct)
  • Facilitating transport across cell membranes

    • Which organic compounds form about 50% of the dry weight of a cell?

  • Carbohydrates
  • Lipids
  • Proteins (correct)
  • Nucleic acids

    • What type of bond holds together amino acids into a polypeptide?

  • Covalent bond (correct)
  • Ionic bond
  • Hydrogen bond
  • Van der Waals bond

    • Which protein is involved in the regulation of hormonal activities?

    <p>Alpha globulin</p> Signup and view all the answers

    What is the role of enzymes in the body?

    <p>Increasing the rate of chemical reactions</p> Signup and view all the answers

    Which group determines the unique properties of an amino acid?

    <p>R group</p> Signup and view all the answers

    Which molecule is DNA made of?

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

    What is the role of ATP in cellular processes?

    <p>Energy storage</p> Signup and view all the answers

    What is the main function of receptor proteins?

    <p>Receiving chemical signals</p> Signup and view all the answers

    What is the cause of Down Syndrome?

    <p>Additional copy of chromosome 21</p> Signup and view all the answers

    What is the difference between RNA and DNA?

    <p>RNA has thymine, DNA has uracil</p> Signup and view all the answers

    What is the process by which green plants convert light energy into chemical energy?

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

    Where are storage proteins found?

    <p>Plant seeds, egg whites, and milk</p> Signup and view all the answers

    What are Chargaff's rules related to?

    <p>Relative amounts of nucleotides in DNA</p> Signup and view all the answers

    What are the stages of the cell cycle?

    <p>'G1, S, G2'</p> Signup and view all the answers

    Why are leaves adapted for photosynthesis?

    <p>To efficiently carry out gas exchange and absorb light energy</p> Signup and view all the answers

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