DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
Milk because it has more of a high quality of protein. So the answer is A.
Answer:
Ensure a nutritious diet and adequate calcium intake.
Avoid under-nutrition, particularly the effects of severe weight-loss diets and eating disorders.
Maintain an adequate supply of vitamin D.
Participate in regular weight-bearing activity.
Avoid smoking and second-hand smoking.
Avoid heavy drinking.
Explanation:
Bronchitis: an inflammation of the bronchial tubes.
Answer: C
