It is not possible to determine the twins' behaviors based on having this single gene
The public is upset with the farms’ unnatural farming practices.
In the earliest stages of development, all four organisms have a knobby head, gill slits, and a tail. These similarities tell us that all four of these organisms have a common ancestor.
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.
