Cellular Respiration And Fermentation - Biology Worksheet (Page 2 of 8) in pdf

Cellular Respiration And Fermentation - Biology Worksheet Page 2

9.1

Cellular Respiration: An Overview

Chemical Energy and Food

For Questions 1–4, complete each statement by writing the correct word or words.

1. A calorie is a unit of

2. The Calorie used on food labels is equal to

calories.

3. A Calorie is also referred to as a

4. Cells use the energy stored in chemical bonds of foods to produce compounds that

directly power the cell’s activities, such as

Overview of Cellular Respiration

For Questions 5–10, complete each statement by writing the correct word or words.

5. The equation that summarizes cellular respiration, using chemical formulas, is

________________.

6. If cellular respiration took place in just one step, most of the

would be lost

in the form of light and

7. Cellular respiration begins with a pathway called

, which takes place

in the

of the cell.

8. At the end of glycolysis, about

percent of the chemical energy is locked

in the bonds of the

molecule.

9. Cellular respiration continues in the

of the cell with the

and electron transport chain.

10. The pathways of cellular respiration that require oxygen are said to be

Pathways that do not require oxygen are said to be

11.

THINK VISUALLY

Complete the illustration by adding labels for the three main

stages of cellular respiration.

Cellular Respiration And Fermentation - Biology Worksheet Page 2