Answer:
Be
Explanation:
its B bc theres 4 elections
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.
Answer:
Coral!
Explanation:
I learned this is a biology class a while ago!
An arrangement of genes consisting of an operator, a promoter, and a repressor is an OPERON.