There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON). Hope this somewhat helps!
( I'll put the rest in below )
Answer: First, I would lay Out Both Fish, Identify ALL Differences - And Similarities Between Both Fish, Colors... Skin Material. Then Do as Much Re-Search Online. Find all Details About the Fish, Including They're Environments. (This came From My Mind... Hope its Right)
Explanation: Mark Brainlist Pleasee
The answer is Myometrium. Myometrium is a center muscular
layer of uterus; constitutes most of uterine wall; and more fibrous near
cervix; produces labor contractions, expels fetus) composed mainly of smooth
muscle (sweep downward from fundus, spiral around body; less muscular. oxytocin promotes labor by directly
stimulating muscles of myometrium; stimulating fetal membranes to produce
prostaglandins, which are synergists of oxytocin in producing labor
contractions.
B. trna molicules check the amino acid for errors
it really does depend on what type of 'cell' your talking about. If your talking about a battery type of cells then it's obviouse but I know that there are 3 trillion cells in your body :) reply if this was helpfull