Answer:
i think its the first level of that
Answer:
OMG ive done this!!!!!!...
the instructions for the egg and sperm one are down there mine was not very good maybe yours will be a bit better loll
Answer: Option E.
glycosaminoglycans
Explanation:
Proteoglycans are core proteins that are attached to glycosaminoglycans chains via covalent bond because
glycosaminoglycans consist of repeating disaccharide units composed of an N-acetylated or N-sulfated hexosamine and either a uronic acid or galactose . They are found in connective tissues and cell matrix of animal cells.