the correct answer is C) DNA contains the base uracil, while RNA contains the base thymine instead
I believe the answer Is B.) Hydrocarbons
Nonspecific defenses include physical and chemical barriers, the inflammatory response, and interferons. Physical barriers include the intact skin and mucous membranes. These barriers are aided by various antimicrobial chemicals in tissue and fluids.
Nonspecific defenses include anatomic barriers, inhibitors, phagocytosis, fever, inflammation, and IFN. Specific defenses include antibody and cell-mediated immunity.
<span>Body cell mutations cannot be passed on to offspring. This is because body cells do not contribute genetic material to SEX CELLS. C is your answer</span>