Hormones, Receptors, and Cell Signals Quiz Part 2

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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?

Relaying the signal to the interior of the cell Signup and view all the answers

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

Serine, Threonine, and Tyrosine Signup and view all the answers

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

Acts as a kinase and phosphorylates protein 2 Signup and view all the answers

Which bonds are rich in cysteine residues for protein folding?

Disulfide bonds (S-S) Signup and view all the answers

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

May circulate as a hormone binding protein carrier protein Signup and view all the answers

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

Ectodomain Signup and view all the answers

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

To alter the properties of the cell Signup and view all the answers

Which type of receptors do hydrophilic hormones primarily have?

Cell-surface receptors Signup and view all the answers

Which class of hormones primarily have intracellular receptors?

Lipid hormones Signup and view all the answers

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

Energy sources Signup and view all the answers

What is the basic structure of a cell surface receptor?

Water-soluble amino acid end outside the cell Signup and view all the answers

Hormones, Receptors, and Cell Signals Quiz Part 2

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