The three main forms of nitrogenous wastes found in animals areammonia, urea, and uric acid.ammonia, urea, and uracil.ammonia, urea, and amino acids.uracil, urea, and uric acid.amino acids, uracil, and uric acid.A person whose ancestors were cattle herders is more likely to express the lactase gene as an adult.
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Angiomax→ (bivalirudin) is an anticoagulant currently approved in the United States for use in patients undergoing coronary angioplasty procedures. This drug was developed using scientists' knowledge of animal feeding strategies. Which type of organism would most likely be the source of this drug?
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One function of HCl secreted in the stomach is to convert pepsinogen into the active enzyme pepsin. Why don't stomach cells simply secrete pepsin instead?