They are made of DNA so it's B
Lecithin is (organic chemistry) the principal phospholipid in animals; it is particularly abundant in egg yolks, and is extracted commercially from soy. It is also a major constituent of cell membranes, and is commonly used as a food additive (as an emulsifier). While cephalin is (biochemistry) a phospholipid found particularly in the cells of nervous tissue; it is also the primary phospholipid in bacteria.
Well, DNA and RNA molecules are both involved in the process of Protein Synthesis whether it be Prokaryotic and or Eukaryotic Protein Synthesis.
A. is the answer because they are found in the earths crust because overtime dirt and water covered the fossils
if i helped plz make me brainiest
B parasitism
a parasite feeds off another organism therefore helping itself but hurting the other organism
