Amino acids are known to be the building blocks of proteins. Amino acids are organic substances and organic substances contains carbon. Amino acids have an amine group and the carbonyl group (-OH) which contains nitrogen and oxygen respectively. Proteins can also be derived from other sources like meat. Proteins can perform different functions, being an antibody is one.
Animal cells<span> each </span>have<span> a centrosome and lysosomes, whereas </span>plant cells do<span> not.</span>Plant cells have<span> a </span>cell<span> wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas </span>animal cells do<span> not.</span>
