Its dead plants and animals
The answer is base pairs.
It suggest that any living abject has DNA. Even if the organ is not living it still consist of DNA because it doesn’t disappear after it dies
D. membrane bounded organelles
The second and third class levers both have (d) the fulcrum at one end of the lever. For class two levers the load is in the middle, and effort is at one of the sides. Third class levers have effort in the middle, and the load on one of the sides. Both meaning second and third class levers have the fulcrum on one end of the lever.