Rio Unit 05 Cellular Energetics Assessment

RIO Unit 05- Biology Energetics 1. According to the heterotroph hypothesis, why did some early heterotrophs evolved into autotrophs? (Integrating)

2. Which diagram represents an organelle that contains the enzymes needed to synthesize ATP in the presence of oxygen? (Applying)

A Because of their ability to synthesize organic compounds from water and carbon dioxide B Because of their ability to synthesize organic compounds from water and hydrochloric acid C Because of their ability to synthesize organic compounds from water and oxygen D Because of their ability to synthesize organic compounds from water and hydrogen

A1 B2 C3 D4

3. What does the fermentation of glucose by yeast normally produce? (Analyzing)

6. In humans, which substance is produced anaerobically during strenuous activity? (Knowing)

A Lactic acid, CO2, and 2 ATP

A lactic acid

B Alcohol, CO2, and 36 ATP

B glycogen

C Alcohol, CO2, and 2 ATP

C carbon dioxide

D CO2, H20, and 36 ATP

D alcohol

4. What does the process of photosynthesis produce? (Knowing) A Starch, which is metabolized into less complex molecules by dehydration synthesis B Protein, which is metabolized into less complex molecules by dehydration synthesis C Glycerol, which is metabolized into more complex carbohydrates by dehydration synthesis D Glucose, which is metabolized into more complex carbohydrates by dehydration synthesis

7. What is a compound that is synthesized by both humans and geranium plants?(Analyzing) A cellulose B ATP C ethyl alcohol D chlorophyll

8. In animals, which occurs during the synthesis of larger, more complex organic molecules from smaller organic molecules? (Generating) A Water is released

5. Which process provides most of the oxygen found in Earth's atmosphere? (Organizing) A photosynthesis B aerobic respiration C dehydration synthesis D fermentation

B Oxygen is released. C Nitrogen is absorbed D Phosphorus is absorbed.

9. Which color light is least important to a green plant during photosynthetic activities? (Analyzing) A green B red C blue D yellow

12. Why do most plants appear green? (Evaluating) A Because chlorophyll does not absorb green light B Because chlorophyll reflects violet light C Because chlorophyll absorbs green light D None of the above

10. In living plants, when does respiration occur? (Organizing) A only during digestion

13. What is a granum? (Knowing) A A stack of chloroplasts

B only in the daytime

B A stack of thylakoids

C only in total darkness

C A membrane enclosing a thylakoid

D all the time

D A photosynthetic pigment molecule

11. Through the use of oxygen-18 (heavy oxygen), what have scientists have found that the oxygen released during photosynthesis comes from molecules of? (Generating)

14. Where does the Calvin Cycle take place? (Organizing) A Stroma

A carbon dioxide

B Thylakoids

B water

C Photsystems

C glucose

D Chlorophyll molecules

D chlorophyll

15. Which of the following is a product of cellular respiration? (Organizing) A Oxygen B Water C Glucose D All of the above 16. Which of the following passes highenergy electrons into the electron transport chain? (Analyzing) A NADH and FADH2 B ATP and ADP C Citric Acid D Acetyl Co-A