Acell contains
a.
bacteria and other small organisms.
b.
smaller structures that it do its job.
c.
a gel-like liquid with no structures.
d.
only empty space.

A is the best answer.

A cell contains bacteria and other small organisms.

ATP,O2 and NADPH are the products. H2O,NADP,ADP and Pi are the reactants. acts as an electron carrier between the cytochrome b6f and photosystem 1 (PS1) complexes in the photosynthetic electron-transfer chain.

Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. It is located in the thylakoid membrane of plants, algae, and cyanobacteria.