Answer:
Red blood cells are formed in the bone marrow and destroyed in macrophages.
Explanation:
<span>C,H,N,O,SAmino Acid=C+Amino Group+Carboxyl Group+Variable Group<span>4 Levels of Protein Structure:Primary: Order of Amino AcidsSecondary:3-D shapeTertiary: globularQuaternary: 2+ chains linked</span>Fn: Structure, Transport, Communicate, Speed up chemical rxns, Control cell growth</span>
Answer: No
Explanation: if a nucleic acid contains uracil then it is not DNA it's an RNA. Uracil is the basic nitrogenous base of RNA. DNA does not have Uracil in its structure. It contains thiamine instead of Uracil. So the answer is NO.
Amber has allowed scientists to study DNA that has been preserved over millions of years.
