Hormones, Receptors, and Cell Signals Quiz Part 2
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Questions and Answers

What is the minimum number of signals that need to stimulate a cell for it to survive and divide, according to the information provided?

  • 4
  • 1
  • 2
  • 3 (correct)

If signals that promote survival and differentiation are absent, what is the likely outcome for most cells?

  • No change in cell behavior
  • Increased division
  • Reduced differentiation
  • Programmed death (correct)

What is the function of a receptor ligand in the cellular response to a signal?

  • Direct stimulation of cell division
  • Inhibition of programmed cell death
  • Recognition of the signal by the receptor (correct)
  • Activation of target genes or proteins

What is the primary function of the cytoplasmic domain of the GH receptor?

<p>Relaying the signal to the interior of the cell (C)</p> Signup and view all the answers

Which type of amino acids are typically modulated by phosphorylation in signaling proteins?

<p>Serine, Threonine, and Tyrosine (D)</p> Signup and view all the answers

What is the role of phosphorylated protein 1 in the signaling cascade?

<p>Acts as a kinase and phosphorylates protein 2 (C)</p> Signup and view all the answers

Which bonds are rich in cysteine residues for protein folding?

<p>Disulfide bonds (S-S) (D)</p> Signup and view all the answers

What is the main function of the free ectodomain of the GH receptor?

<p>May circulate as a hormone binding protein carrier protein (A)</p> Signup and view all the answers

Which domain of the GH receptor acts as a growth hormone binding protein?

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

What is the primary function of the modified target proteins in the cell?

<p>To alter the properties of the cell (A)</p> Signup and view all the answers

Which type of receptors do hydrophilic hormones primarily have?

<p>Cell-surface receptors (C)</p> Signup and view all the answers

Which class of hormones primarily have intracellular receptors?

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

In addition to serving as signaling molecules, what can metabolites also function as?

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

What is the basic structure of a cell surface receptor?

<p>Water-soluble amino acid end outside the cell (B)</p> Signup and view all the answers

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