Which one of these is not an example of intracellular communication?

a. a signal is translated to cause a muscle to contract.

b. chemical messengers dock onto receptors of adrenal gland.

c. water regulation by a cell's central vacuole.

d. charged ions distributed across a plasma membrane.

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What is the polyatamic ion of thiosulfate