Fatty acids are important for the cell membrane because the fatty acids present in membrane is cholesterol which provides the fluidity and mechanical support to the cell membrane.
Oxygen did.....filling up space
Mitochondria and chloroplasts.
Hope it helped!
I think the answer might be A or B ,ATP is stored in the muscle cell
Answer:removes cells during development
Explanation: Apoptosis is the process of programmed cell death. It is used during early development to eliminate unwanted cells; for example, those between the fingers of a developing hand. In adults, apoptosis is used to rid the body of cells that have been damaged beyond repair. Apoptosis also plays a role in preventing cancer.