Which of the following is a polysaccharide that is used for making plant cell walls?

The light reactions of photosynthesis produce ATP and NADPH that is needed in the Calvin cycle.  Where are these products delivered to the Calvin Cycle?

When photosystem II harvests light energy, P680 becomes excited and passes an electron to the primary electron acceptor (pheophytin).  With an electron missing P680 becomes P680+.  Where does P680+ get a replacement electron?

The form of endocytosis that allows the cell to bind to and internalize specific small molecule cargoes from the extracellular enivronment is. . .

During the process known as endocytosis, solutes are imported into cells via

What is the final electron acceptor in the mitochondrial electron transport chain?

During aerobic cellular respiration, pyruvate is broken down into CO2 and acetyl CoA  in  __________________.

During the light reactions of photosynthesis, the purpose of the H+ gradient is to make

When an electron absorbs light, it has higher energy and is unstable. How can it become stable again?

What are the products of the light reactions used for?