What time of year are carotenoids present in plants?

Interferons play a vital role in the immune system why are interferons so important?

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]

When sodium chloride dissolves in water the sodium cholride dissociates into?