A Deficiency of ________ Has Been Associated with Birth Defects

Q14: Wolves, seals, and cats are all:<br>A)omnivores.<br>B)carnivores.<br>C)ruminants.<br>D)herbivores.

Q15: Cellulose is the most abundant carbohydrate on

Q16: In humans, all essential fatty acids:<br>A)are required

Q17: _ is the molecule used by animals

Q18: The symptoms of pellagra are due to

Q20: Which of these groups is the most

Q21: Most chemical digestion occurs in the:<br>A)mouth.<br>B)stomach.<br>C)small intestine.<br>D)large

Q22: What type of digestion takes place inside

Q23: Which of the following produces the cellulose-digesting

Q24: Cancer patients who receive radiation treatment or