The answer is D the answer is D
Monosaccharides<span> (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as </span>starch<span> and cellulose).</span>
This should be the cell membrane.
Answer:
decreases amount of energy necessary for reaction to proceed
Explanation:
they lower activation energies of the reactions they catalyse