1) neurons propagate signals in the form of action potentials that are mediated by:
a.-...
Health, 23.01.2020 03:31 Mosoete4219
1) neurons propagate signals in the form of action potentials that are mediated by:
a.- na + channels regulated by voltage that open in response to membrane depolarization
b.- k + channels regulated by voltage coupled to neurotransmitters
c.- ca ++ channels that connect electrical signals to chemical
d.- chlorine channels regulated by voltage
2) which of these molecules do not intervene in the krebs cycle:
a.- acetyl coa
b.- pyruvate
c.- fad
d.- nad
3) it is a ligand responsible for the opening of ion channels in the neuromuscular plate
a.- adrenaline
b.- acetylcholine
c.- sodium
d.- calcium
4) cystic fibrosis is a serious hereditary disease in which there is:
a.- mutation of the genes that code for abo surface ag
b.- mutation of the genes that encode the proteins that make up the cell's crust
c.- mutation in the genes that encode the proteins that make up the ion channels
d.- mutation in the ligand that regulates the opening of ca ++ channels
5) in the previous case the ctfr protein works as:
a.- calcium channel regulated by cyclic amp
b.- channel of k + regulated by cyclic amp
c.- na + / k + pump
d.- chlorine channel regulated by camp
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