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hi marina this is mon bassal.. yer i misinterpreted that insect question wrote up an experiment instead.. receptors like 2 examples are mechanoreceptor for hearing and photoreceptor for sight.. dont worry marina pretty upset myself.. rubena ma-aki for the rest of ur exams..

Re: how did you go? and i thought to be the only dumbass in the state with that idea.. damn good-bye 6 marker!!!

Re: how did you go? its sieve plate and companion cell.. im screwd for that 6 marker in communication gathering secondary sources and first hand information on that stupid tympanic membrane.. what did u guys do?

this is all good.. but THEORIES is my concern.. lets just pray that if it comes up its a 3 marker or somthing weak like that.. thank you.

pleasee help... Social and political influences on theories of evolution??? guys dont hesitate to ask me anything ive done my far share of study..

basically the threshold of reaction is the point of excitation that causes the neuron to fire... now when the neuron fires it is known as the 'all or none' response when the reaction either occurs at maximum or not at all.. the action potential only occurs if the stimulus causes enough sodium...

hahah yep.. suitable description for our head examiner.. oh n bitchy and impatient might i add