There should only be 1 allele passed down from each parent, and the difference between he two is the Dominant and Recessive enscriptions in them.
Neuron is the smallest funcional unit
Answer:
ATP can be used to store energy for future reactions or be withdrawn to pay for reactions when energy is required by the cell. Animals store the energy obtained from the breakdown of food as ATP.
Ima just assume it is a true or false question and say true, as to make an experiment valid, only one variable has to be tested.