Answer:
A
Explanation:
Neurotransmitters are emitted from pre-synaptic neurons onto the dendrites of post-synaptic neurons during an action potential.
Answer: protein
Explanation: protein
Amino acids link together to form a protein. A nucleic acid is held together by the sugar-phosphate complex. A protein is held together by the carbon-carbon bonds. The diagram shows the basic structure of a biomolecule.
They are likely to exist in tropical and subtropical tidal areas
D: All the variables are controlled except one.