Certain nutrients are considered "essential" in the diets of some animals because
A) only those animals use those nutrients.
B) the nutrients are subunits of important polymers.
C) they are required for animal diets,but these animals are not able to synthesize the nutrients.
D) the nutrients are necessary coenzymes.
E) only certain foods contain them.
Correct Answer:
Verified
Q1: Animals that migrate great distances would obtain
Q2: Ingested dietary substances must cross cell membranes
Q3: Vitamins A,D,E,and K can be grouped together
Q5: Which vitamin plays a key role in
Q6: An advantage of a complete digestive system
Q9: What happens during peristalsis in the digestive
Q10: Carbohydrate digestion yields monosaccharides,whereas protein digestion yields
Q11: Bile salts
A)are enzymes.
B)are manufactured by the pancreas.
C)emulsify
Q32: Pepsin is a digestive enzyme that
A) is
Q40: Digestive secretions with a pH of 2
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