The correct answer is C because it speaks of organisms
Out of the following given choices;
A) excitatory, but not inhibitory, synapses
B) inhibitory, but not excitatory, synapses
C) electrical synapses
D) ligand-gated ion channels
The answer is D. These are transmembrane ion-channel proteins that open to allow ions such as Na, K, Ca, and/or Cl to pass through the membrane in response to the binding of a chemical messenger (i.e. a ligand), such as a neurotransmitter.
Yellowstone
1. Negative environmental impact
2. Positive environmental effects
3. Removal of excess fuel material in forest
4. Preparation of seeds and some plant species for germination
5. Increase turbidity extreme water
Hopefully these are good answers!!
