Directions: Choose the Best Answer Based on the Information You

question 1

Multiple Choice

Directions: Choose the best answer based on the information you read in Chapter 9. ​ The part of an essay that corresponds to the topic sentence in a paragraph is called ____________.

• A)the thesis statement
• B)the organization
• C)the middle part
• D)the conclusion

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Definitions:

Carbonic Anhydrase

Enzyme in red blood cells that speeds the formation of carbonic acid from water and carbon dioxide.

Carbonic Acid

A weak acid formed when carbon dioxide dissolves in water, playing a key role in buffering blood pH.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air.

Plasma

In vertebrates, the liquid portion of blood; contains nutrients, wastes, salts, and proteins.