PLS HELP ASAP Which molecules from food and air end up in the cells in the body? (choose all that apply)

fiber
fiber

oxygen
oxygen

amino acids
amino acids

protein
protein

glucose
glucose

starch
starch

sorry for the doubles

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.