DNA:
A. Encodes then information needed for making proteins within the cell
B. Directs RNA to make lipids that are needed by the cel
C. Produces carbohydrates

Wht happens as electrons in the electron transport chain release their energy

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries