1. Red, Hard, Sweet, Stem, Seeds
2. Im not sure
3. A knife and a microscope
4. See what cells there are in the apple, or how the apples changes through a period of time
Burning coal, vehicle emissions, waste disposal. hope this helped
Synthesized in the Endoplasmic Reticulum, specifically the rough endoplasmic reticulum because of the presence of ribosomes. The smooth ER synthesizes lipids.