Cell Signalling and Transduction
Which of the following processes involve the combining of a message from one signaling molecule with that of another to either enhance or inhibit a cellular effect?

Signal amplification
Signal transduction
Signal integration
Signal reception

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Cell Signalling and Transduction
Nitroglycerin has long been administered to human patients suffering from chronic chest pain (angina). This medication works because it

mimics the action of signal receptors
interferes with chemical cascades that trigger contraction of heart muscle
is broken down into hormones that affect the heart
breaks down into nitric oxide, which increases blood flow to the heart

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Cell Signalling and Transduction
A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell?

It is in the heart muscle
It is also the site of production for the signaling molecule
It contains the receptor for the signaling molecule
It is incapable of signal transduction

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