100% Aa because each have a dominate A and a dominate a meaning they are exactly alike
You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites.
Level 1 - Cells.
Level 2 - Tissues.
Level 3 - Organs.
Level 4 - Organ Systems.
Level 5 - Organisms.
Answer:
Specific immunity is also called as Acquired immunity and Anamnestic response
2nd option is the answer
lymphocytes recognize, attack and destroy a pathogen
