5 terms

2017 Unit 3 AOS 2 - Chapter 6: Cellular signals

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Signal tranduction
binding sites on protein receptors fit chemical messengers like hormones. The protein then changes shape and relays the message to the inside of the cell.
Apoptosis
Programmed cell death
Abscisic acid
A plant hormone that brings about dormancy in buds, mantains dormancy in seeds, and brings about stomatal closing, among other effects.
Action potential
A neural impulse; a brief electrical charge that travels down an axon. The action potential is generated by the movement of positively charged atoms in and out of channels in the axon's membrane.
amplification
The strengthening of stimulus energy during transduction.

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