Plant cells have what is perhaps the most complex outer coverings. Plant cell walls are made largely of cellulose which forms strong, highly rigid, almost indigestible coverings that protect the cell and gives it shape.
<span>A) enzymes. Enzymes are what break down proteins. </span>
The South never again fought on Union soil.
D! Predictable and controlled
Planarian<span>, </span><span>any of a group of widely distributed, mostly free-living flatworms of the class Turbellaria
These are elongated and ciliated
Mouth is middle of the body
hope it helps</span>