COPY: SACS Questions
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COPY: SACS Questions

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@DiplomaticBalalaika

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Questions and Answers

A weak electrostatic attraction between one electronegative atom (such as oxygen or nitrogen) and a hydrogen atom covalently linked to a second electronegative atom

  • Hydrogen bond (correct)

    • the type of protein, often composed of multiple subunits, that exists in two or more conformations depending upon the binding of a specific ligand at a site other than the catalytic site is a(n)_____.

  • Allosteric (correct)

    • Which of the following statements regarding DNA replication is TRUE?

  • new DNA strands must be copied from a DNA template
  • (correct)

    • The initiation of transcription of a gene encoding for protein in eukaryotic cell requires the following except

    <p>Helical and primase</p> Signup and view all the answers

    Which of the following cellular components is NOT required to make ATP by chemiosmosis?

    <p>CO2</p> Signup and view all the answers

    For initiation of protein synthesis in eukaryotes, the following sequence applies

    <p>the small ribosomal subunit bind mRNA, followed by tRNA-Met and the large ribosomal subunit</p> Signup and view all the answers

    Which of the following statements is correct regarding ATP driven pumps?

    <p>eukaryotic cells contain a variety of ATP driven pumps including Na+'K+ ATPase, Ca++ ATPase and H+ ATPase</p> Signup and view all the answers

    The fluidity of a membrane is increased by

    <p>Unsaturated fatty acids</p> Signup and view all the answers

    Which of the following statements regarding signal transduction cascades is FALSE?

    <p>second messengers relay the signal from the plasma membrane to the cell's interior</p> Signup and view all the answers

    cyclin(s) _______

    <p>levels fluctuate during the cell cycle</p> Signup and view all the answers

    Study Notes

    Molecular Interactions

    • A weak electrostatic attraction between one electronegative atom (such as oxygen or nitrogen) and a hydrogen atom covalently linked to a second electronegative atom.

    Proteins

    • Allosteric proteins often composed of multiple subunits, exist in two or more conformations depending upon the binding of a specific ligand at a site other than the catalytic site.

    DNA Replication

    • One true statement regarding DNA replication is provided.

    Eukaryotic Cell Transcription

    • Initiation of transcription of a gene encoding for protein in eukaryotic cell requires all factors except one.

    ATP Production by Chemiosmosis

    • One cellular component is NOT required to make ATP by chemiosmosis.

    Protein Synthesis in Eukaryotes

    • The following sequence applies for initiation of protein synthesis in eukaryotes:
    • [Insert sequence]

    ATP-Driven Pumps

    • One statement is correct regarding ATP-driven pumps.

    Membrane Fluidity

    • The fluidity of a membrane is increased by certain factors.

    Signal Transduction Cascades

    • One statement is FALSE regarding signal transduction cascades.

    Cell Cycle Regulation

    • Cyclin(s) [insert function/action].

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