Select all that apply.
proteins
contain carbon, hydrogen, oxygen, and nitrogen.
consist of amino acids
are derived from fruits and vegetables
are part of antibodies

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. 

Retype the question .

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes