What is the name of the enzyme that joins individual nucleotides?

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Which enzymes break down carbohydrates?