Trace the path of a chef's salad with croutons down the digestive tract, and explain what takes place in each
specialized region What will be an ideal response?
ANSWER: Concepts to Consider: Mouth--mechanical digestion and chemical digestion of starch
(croutons); Esophagus--peristalsis moves food into stomach; Stomach--mechanical churning
of food and protein breakdown (ham, turkey, etc.); Small intestine--most chemical digestion
takes place in duodenum (starch, protein, fat from cheeses, dressing, meats, and croutons),
and absorption occurs in jejunum and ileum; Large intestine--absorption of water and
sodium; wastes, including a large amount of fiber from the lettuce and other vegetables, pass
through the cecum, ascending, transverse, descending, and sigmoid colons before leaving
through the rectum and anus.
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Fungi generally digest large organic molecules ____
a. in special compartments called arbuscules b. within feeding hyphae c. in visible mushrooms d. in special compartments called haustoria e. outside of their cells
Which of the following adaptations to the plasma membrane allows mammals to hibernate in subzero
temperatures without their plasma membranes freezing?
a. Increase in cholesterol content only. b. Increase in protein content only. c. Increase in the number of double covalent bonds in phospholipids. d. Increase in both cholesterol and protein content. e. Increase in both cholesterol and double covalent bonds in phospholipids.
What is the term for similar cells that are organized together with a common function?
a. organ b. interstitial organization c. tissue d. organism e. extracellular matrix
In oxygen homeostasis, the kidney that releases EPO, prompting increased red blood cell production is the:
A) stimulus. B) reactant. C) response. D) product.