Answer:
Integral membrane proteins are permanently embedded within the plasma membrane. They have a range of important functions. Such functions include channeling or transporting molecules across the membrane. Other integral proteins act as cell receptors
Explanation: HOPE U GET AN A HAVE A GREAT DAY!!!
B. Hydrogen bonds make the positive sides of water molecules stick to each other
Answer:
Its number 4 , After billions of years, cyanobacteria turns into iron; the iron beds are remnants from cyanobacteria. its 7th grade science.
Explanation:
