Answer : Option A) He is studying oxygen, which can also be found in proteins.
Explanation : A scientist is examining the role of an element found in fats and carbohydrates of living things. Oxygen is the element which makes up to 65% of human body mass. This is also found in proteins inside the body.
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.
That would mean that species A, B, and C all came from one tree. Species A and B would be closer related, and also resembling more of each other. While species C would be also related to species A and B but just not as close to either one.
So the answer would be: Species A and B would be most similar, while species C would be related to both species A and B but will have less similarities. <span />
Within cooler temp's b/c there young would get way too hot and die but the
cooler temp's will help for the parent keep its young warm not burning up.
I am 99% sure its openness. but then again theirs that 1%. <span />
