I think that b is the correct
Restriction endonuclease is the answer
The dead organisms are recycled back by the activity of decomposing or decomposition. I hope this helps!
He fluid mosaic model of the plasma membrane. The fluid mosaic model of the plasma membrane describes the plasma membrane as a fluid combination of phospholipids, cholesterol, and proteins. Carbohydrates attached to lipids (glycolipids) and to proteins (glycoproteins) extend from the outward-facing surface of the membrane<span>.</span>