1- Binding of GABA molecules to GABA receptors triggers opening of a chloride ion-selective pore, that increasechloride

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1- Binding of GABA molecules to GABA receptors triggers opening of a chloride ion-selective pore, that increasechloride conduction through the channel. This is an example of:Select one:a. Ligand-gated ion channelb. Aquaporinsc. None of themd. Voltage-gated ion channel
1- Binding of GABA molecules to GABA receptors triggers opening of a chloride ion-selective pore, that increase
chloride conduction through the channel. This is an example of:
Select one:
a. Ligand-gated ion channel
b. Aquaporins
c. None of them
d. Voltage-gated ion channel
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2- The M2 domain of nicotinic-acetylcholine receptor is enriched with negatively charged amino acids at the intrac
mouth of the pore, which makes it:
Select one:
a. Anion-selective
b. Permeable for both of them
c. Cation-selective
d. Impermeable for both of them
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3- Which of the following enzymes get activated by the second messenger diacylglycerol?
Select one:
a. Protein kinase A
b. Tyrosine kinase
C. Protein kinase C
d. Protein phosphatases