For digestion and absorption of nutrients the most active portion of the pig’s digestive tract  is in the _______.

Mg, as well as Ca and P, function as structural components of the skeleton and also regulators of many physiological functions.

Roughly, phosphorus makes up __________________ of animal body mass (on dry weight basis).(A) 10%(B) 8%(C) 4%(D) 1.0%(E) 0.25%

Which one of the following vitamins can function as a potent metabolic antioxidant in animal body?(A) Vitamin A(B) Vitamin B(C) Vitamin D(D) Vitamin E (E) Vitamin K

Cobalt is an integral component of folic acid (vitamin B9) molecule.

Metabolic water is produced from the oxidation of inorganic compounds in animal body.        

Which of the following minerals plays a major role in regulating animal body electrolyte balance and pH homeostasis? (A) S(B) Na(C) Mg(D) Ca(E) Zn

One very obvious symptom that is associated with dietary zinc deficiency is _________________. (A) Bone weakness(B) Skin lesions(C) Blind eyes(D) Beriberi(E) Perosis

If a normal soybean meal is fed to a chicken and a beef cattle, which animal will get more digestible energy from it?(A) The beef cattle will get more digestible energy than the chicken can get. (B) It’s hard to tell.(C) The chicken will get more digestible energy than the beef cattle can get. (D) The chicken and the beef cattle will get same amount of digestible energy because the soybean meal fed was the same.(E) The beef cattle will get more gross energy than the chicken will get.

Which one of the following vitamins is not a water soluble vitamin?(A) Riboflavin(B) Vitamin B9(C) Niacin(D) Vitamin E(E) Choline