In general, nonpolar amino acids are restricted to this area of a protein while polar and charged
amino acids are restricted to this area.

it is b

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the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.