A animal cell B smooth endoplasmic reticulum C mitochondrion D peroxisome E lysosome F Golgi apparatus G animal vacuole H microtubule I plasma membrane J cytoplasm K centriole L ribosome M rough endoplasmic reticulum N nucleolus O nucleus P microfibril Q inner membrane R outer membrane S cristae T matrix U inter-membrane space V hydrophobic tail W hydrophilic head X integrated protein Y phospholipid bilayer Z plant cell AA cell wall BB tonoplast CC chloroplast DD plant vacuole EE stroma FF granum GG thylakoid HH carbohydrates II monosaccharide JJ polysaccharide KK lipid LL glycerol MM fatty acids NN nucleic acids OO protein PP amino acid