Digest and recycle the cell's used components by breaking down proteins, nucleic acids, lipids, and carbohydrates.

the answer is b.) hydrogen bonds between bases.

b a mature ovary of a plant.

producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).