Bio111 Lab Practical Review Labs 7-10 Answer Key

Bio111 Lab Practical Review Labs 7-10 Answer Key - Bio 111...

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Unformatted text preview: Bio 111 Bio 111 Lab Practical Review Lab Practical Review Labs 7 - 10 Labs 7 - 10 Which group is the control group for lab 7? 1. Gel only 2. Gel and fresh pineapple 3. Gel and heated pineapple 4. Gel and frozen pineapple 5. Gel, fresh pineapple, and acid 6. Gel, fresh pineapple, and base 7. Gel and canned pineapple 8. Gel, fresh pineapple, and mercuric chloride What is an enzyme? 1. Energy that starts a reaction. 2. The substrate that binds in a chemical reaction. 3. A catalyst that speeds up a reaction without the enzyme being changed. 4. A catalyst that speeds up a reaction because the enzyme permanently changes shape. What affects the rate of enzyme action? 1. High temperature 2. Low temperature 3. pH of 2 4. pH of 13 5. Inhibitors 6. None of the above 7. All of the above In Lab 7, if the gel in the tube was solid, it meant the enzymes were: 1. active 2. denatured In Lab 7, if the gel in the tube was liquid, it meant the enzymes were: 1. active 2. denatured In Lab 8, the control was the tube: 1. without the elodea. 2. with the elodea. The experimental group is the tube: 1. without the elodea. 2. with the elodea. The equation for photosynthesis is: 1. 6 CO 2 + 6 H 2 O + Sunlight Energy Glucose (C 6 H 12 O 6 ) + 6 O 2 2. Glucose (C 6 H 12 O 6 ) + 6 O 2 6 CO 2 + 6 H 2 O + Sunlight Energy 3. 6 CO 2 + 6 O 2 + Sunlight Energy Glucose (C 6 H 12 O 6 ) + 6 H 2 O 4. Glucose (C 6 H 12 O 6 ) + Sunlight Energy 6 CO 2 + 6 H 2 O + 6 O 2 What was used in Lab 8 to measure the rate of photosynthesis? 1. Calcium carbonate 2. Calcium hydroxide 3. Glucose 4. CO 2 5. O 2 In the experiment, this affected the rate of photosynthesis: 1. lowering of the pH 2. lowering of the temperature. 3. amount (proximity) of light. 4. inhibitors. 5. weight of molecules. 6. increased substrate concentration. Why do you monitor the temperature in the experiment? 1. To see if if gets too hot and the enzymes denature. 2. To test two variables in one experiment. 3. To see if increased amounts of light lower the temperature. 4. To see if increased amounts of light decrease the amount of CO 2 produced. Look at the following graph. What does it tell you? 1. The amount of O 2 increases over time. 2. The amount of CO 2 increases over time....
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This note was uploaded on 05/26/2011 for the course BIO 111 taught by Professor Osikanlu during the Spring '09 term at Moraine Valley Community College.

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Bio111 Lab Practical Review Labs 7-10 Answer Key - Bio 111...

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