It's true because fruit flies are resistant to ddt
82.6 I'm sure since your rounding to the nearest whole number
A monomer made up of a nitrogenous base, a five-carbon sugar, and a phosphate group bonded together.
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.