Biology Worksheet 101 With Answer Key - Professor Fournier Page 11
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15Bio 101
Base your answers to questions 66 through 70 on
the information below, and on your knowledge of biology.
A student has a sandwich for lunch. The bread contains starch molecules and various other molecules. After chewing and
swallowing some of the sandwich, the starch moves along the digestive system and is digested. The sequence below
represents what takes place next.
digested starch
bloodstream
cell
cell structure
ATP
Explain what occurs, beginning with the digestion of starch and ending with ATP production.
66. State why ATP is important to cells.
67. Identify the structure in the cell that will produce ATP from the starch building blocks.
68. Explain why starch must be digested before its building block molecules can enter the bloodstream.
69. Identify the molecules produced when starch is digested.
70. Identify the molecules that are used to digest the starch.
71. Systems in the human body interact to maintain homeostasis. Four
of these systems are listed below.
Body Systems
Circulatory
Digestive
Respiratory
Excretory
a Select two of the systems listed. Identify each system selected and
state its function in helping to maintain homeostasis in the body.
b Explain how a malfunction of one of the four systems listed
disrupts homeostasis and how that malfunction could be prevented
or treated. In your answer be sure to:
• name the system and state one possible malfunction of that system
• explain how the malfunction disrupts homeostasis
• describe one way the malfunction could be prevented or treated
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