Dietary fiber is nondigestible by humans in the small intestine ...

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Dietary fiber is nondigestible by humans in the small intestine because:
 A) the enzymes required to digest the fiber are usually depleted by digesting starches.
  B) humans lack the enzymes needed to break the types of bonds found in the fiber.
  C) humans do not produce the acid necessary to break the types of bonds found in the fiber.
  D) the pigment required to break down the fiber is only present in plants.

Question 2

Carbohydrates comprise a diverse group of compounds produced primarily by:
 A) fishes.
  B) insects.
  C) plants.
  D) mammals.

[tkempin]

Answer to Question 1

B

Answer to Question 2

C