A is the active site and C is the enzyme
A. animal can fly; AA. animal can't fly. That should be the correct answer. I hope that this helps you!
Answer: C. The red blood cells released water through osmosis. The release of water helped the blood cells keep a similar concentration of solutes as the outside solution.
Explanation:
Osmosis is a process whereby water molecules move from an area where they are in higher concentration than a solute to an area where they are in lower concentration. They do this by moving through a selectively-permeable membrane.
With sugar added to the solution, the water in the red blood cells will have a higher concentration of water in the cells than the solution so water molecules will move from the cell - through the cell membrane - to the solution. They will keep doing so till the concentration of solutes are more or less similar in both the cells and the solution.
mitochondria and chloroplasts, which have their own DNA and membranes, suggests that these organelles descended from prokaryotes that were engulfed by a larger cell.