Answer:
genes are special instructions that come from an organism's parents. (sorry about repeating your question the minimum amount of letters and stuff i can type is 20.)
You should get rid of any distractions so you can focus.
The embedded proteins <u>allow specific substances to flow into the cell</u>.The phospholipid bilayer forms a stable barrier between two aqueous compartment.They embedded proteins carry the selective transportation of molecules and ensure their is cell to cell recognition.
A physical factor that influences an ecosystem is called an "abiotic factor."
