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Pumps generally have a cast-iron body with the impeller and other moving parts made of ____________________ or nonferrous metals .
Photosystem
A complex of proteins and pigments in plants and algae that absorbs light energy and converts it into chemical energy during photosynthesis.
Chlorophyll
A green pigment found in the chloroplasts of plants, algae, and some bacteria, essential for photosynthesis as it absorbs light energy to convert carbon dioxide and water into glucose.
Mitochondrion
An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae).
Chloroplast
Organelle of photosynthesis in plants and photosynthetic protists. Light-dependent reactions occur at its inner thylakoid membrane; light-independent reactions, in the stroma.
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