The cell membrane protects the cell and keeps bad things like viruses from getting in the cell.<span>It consists of the lipid bilayer with embedded proteins.</span>
Density = mass/volume
X = 10/50
X=.2
Besides cell walls, features often found in plant cells but not in animal cells are: <span>· Chloroplast- specialized organelles in which light energy is converted to chemical energy during the photosynthesis(chloroplasts contain chlorophylls a and b-green color of the plant)
</span> <span>· Vacuole-central organelle filled with fluid for storing food (sometimes it is found in animals but rare)</span><span><span>· </span>in animals but rare)</span>
<span><span>· </span>Starch-energy storage of plants (it is glycogen in animals)</span> <span> </span>
I believe that would be irritability.
Amino acids are the building blocks of life
