Leak channels and sodium-potassium pumps are present on the cell body, dendrites, axon and terminal ends of the neuron cell membrane.

a. true
b. false

True

Explanation:

The neuron has leak channels in the cell body, axon and dendrite and cell body. This is because the trans membrane potential exists in all parts of the cell membrane.

Because of this reason the the leak channels are available at each part of the neuron.

The action potential, trans membrane potential should exits in all the parts of the cell so it should be located in all the parts of cell.

there really is life in the deepest part

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.