Nutrition Quiz 3

Nutrition Quiz 3 - 1. Cell membranes are composed of:...

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Sheet1 Page 1 1. Cell membranes are composed of: water. protein. lipid and carbohydrate. a and b $$$b and c 2. What are substances that dissolve in liquids called? $$$solvents acids bases solutes 3. Homeostasis is a state of balance and may be maintained by a negative feedback system. $$$True 4.As the pH of a solution decreases, it becomes ____. hydrophobic hydrophilic $$$more acidic more basic 5. What are the two major homeostatic control systems in the body? skeletal and muscle systems $$$endocrine and nervous systems endocrine and muscle systems nervous and skeletal systems 6. Which of the following is "hydrophilic"? Motor oil $$$Table salt Butter Margarine 7. In humans, the normal pH of blood ranges from ____ to ____. 6.3-6.6 6.7-7.1 $$$7.3-7.5 8.1-8.4 8. Acidic foods have a greater pH than more basic foods. $$$$False 9. The hormone insulin that is produced by the cells of the pancreas is released into the surrounding extracellular fluid by an e n $$$exocytosis secretion emission endocytosis 10. What are proteins, carbohydrates, and lipids composed of?
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Nutrition Quiz 3 - 1. Cell membranes are composed of:...

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