Signalling between cells is essential for patterning of the embryo and differentiation into different cell types.
Which of the features below is characteristic of signalling by a paracrine ligand? Select all options that apply.
Paracrine ligands:

Question

Signalling between cells is essential for patterning of the embryo and differentiation into different cell types.

Which of the features below is characteristic of signalling by a paracrine ligand? Select all options that apply.

Paracrine ligands:

Answer

Can be blocked from activating receptors by secreted antagonists

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Remain attached to the plasma membrane of the secreting cell

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Act on cells close to the ones producing the ligand

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Can be degraded by enzymes in extracellular fluid

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Travel through the bloodstream to distal locations

Answer

Bind to intracellular receptors in the cytoplasm or nucleus

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Affect all cells in the same way

Answer

Bind to enzyme coupled receptors in the plasma membrane

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