HSA Review: Lessons 1

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Venus flytraps and other carnivorous plants obtain much of their nitrogen from amino acids found in the insects. Which of these chemical compounds are the source of the amino acids?

In circulatory systems, a large part of the fluid is water. For example, human blood plasma is approximately 90% water. Which of these properties of water makes it an ideal material for dissolving necessary chemical substances?

When the cells of most organisms freeze, they burst. Which property of water causes this to occur?

The major role of carbohydrates in the human diet is to

Meat tenderizer is made with pepsin, an enzyme. A cook usually puts tenderizer on meat and then cooks the meat. If meat coated with tenderizer is placed in a refrigerator for a short time prior to cooking, how will the enzyme pepsin be affected?

The cell wall of a plant helps the plant cell maintain its shape. What is the main structural component of the cell wall of a plant?

A dog gets many nutrients from its food including amino acids. Which of these can be built directly using the amino acids?

Vitamins have important functions in the human body and are necessary for maintaining good health. Which of these is necessary for proper bone formation?