Read the article and use the information to answer the following question.

Nerve Conduction

Explain why the resting membrane potential of a neuron is negative.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Environmental impacts on evolution : mastery test

What drives the atp synthase reactions that produce atp