since a cell has 6 sides :
L= length, W= width
surface area = ( L x W ) X 6
= (2 X2 ) X 6
= 4 X 6
= 24 cm²
It's depends on the size of molecule. big ones cannot pass the membrane while smaller molecules can.
Out of the macromolecules present and required for the survival of an organism, the type of macromolecules that are categorized as enzymes would be proteins. Certain proteins can act as biological catalysts that aid in chemical reactions by helping speed up the rate of change of a reaction from reactants to products.
Epiglottis is the <span>protective tissue that covers the trachea when you swallow</span>
