The myelin sheath on a neuron allows nerve impulses to be faster because a. neurotransmitter molecules are released in greater amounts. b. the myelin sheath covers the entire axon. c. nerve impulses jump from node to node as they move down the axon. d. the threshold is met much faster.

Which law represents a balanced chemical equation?

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.