Answer:
a. Opening of ligand-gated cation channel
Explanation:
Ligand-gated cation channel get opened as a result of binding or connection of a lidand which itself is a result of response stimulus. It can also be opened through a note response of stimulus called voltage gated channels.
The purpose of this phenomenon is to allow passage of ions through the membranes as a result of connection of chemical messenger such as neurotransmitter.
When the neurotransmitter is released into synaptic cleft, it connects or bind with motoneuron, thus causing the movement of ion through the cell membrane, and which then leads to hyperpolarization or depolarization
I read this one article and it says that death rates are lowest among those aged 5-9
so B?
B<span>) Plan meals for the week while shopping at the grocery store</span>
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