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Paracrine messenger molecules are usually ________________

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Paracrine messenger molecules are usually ________________

(a) large

(b) stable

(c) unstable

(d) amphoteric

This question was addressed to me in a job interview.

My question is from Cell Signaling Systems in chapter Cell Signaling and Signal Transduction of Cell Biology

1 Answer

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Correct choice is (c) unstable

Easiest explanation: Paracrine messenger molecules are unstable and cannot travel long distances in the body mostly because they are either degraded by the enzymes or they bind to the extracellular matrix.

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