When many nerve impulses arrive in rapid succession at the synapse between a single stimulatory presynaptic neuron and a postsynaptic neuron, this situation is known as: ?

What are some aquatic organisms that live in cold water temperatures?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper