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.
Digestion and absorption of emulsified fat in the small intestine.
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
Action Potentials and Contractions of a Muscle Fiber
Use small circular strokes up the ankle and leg.
Enzymes substrate specificity!
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc