I believe it is 137 kg. (the third one down)
Answer:
D) EPSPs
Explanation:
Glutamate is a very important and powerful excitatory neurotransmitter. It is largely secreted by nerve cells present in the brain. Glutamate is known to bind ionotropic receptors. By ionotropic we mean to say that on ligand binding, such receptors tend to open and allow passage of ions. As soon as glumatate binds its receptor present on the plasma membrane, it causes excitatory electrical responses to occur by opening Na⁺ channels which causes influx of Na⁺. More Na⁺ inside the neurons leads to the change in the membrane potential which is known as EPSPs (excitatory postsynaptic potential) and this state is known as depolarized state.
In short, glutamate causes sodium ion channels to open up in the neurons and this flow of Na⁺ is known as excitatory postsynaptic current (EPSC) and as explained in the paragraph above, this EPSC finally leads to EPSPs (excitatory postsynaptic potential).
I don’t know really tbh sorry
Answer:
I believe, The rock is a minimum of 1.5 million years old but it may be older
Explanation:
Gradpoint
Sorry I can’t help on this if there is no answer choices.
