Animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function
I think B seems like the answer.
Answer:
Genotype AB
Explanation:
Someone with blood type AB has to have both A and B alleles, so the genotype must be AB
Answer: Closed
Explanation:
At resting membrane potential( RMP) sodium channels remained shut, this is because , previously in depolarisation,the voltage gated sodium channels were opened for sodium to diffuse into the Axon. However these channels closed after reaching their refractory period,s.
Therefore a change in the extracellular concentration of sodium will not open them