Dec 21 and Dec 22

Objective:
The scholars will explain where plants get their energy in order to describe the role of light and chlorophyll in photosynthesis.

Warm Up:
1. Which of the following statements about enzymes is true?
A Enzymes can usually work at their optimum, at any pH.
B Enzymes are can be carbohydrates, lipids or proteins.
C Enzymes can usually work at their optimum, at any temperature.
D Enzymes are organic catalysts.

2. A biology class measured the pH of the water in four ponds. The data are recorded in the table below. Which pond has the most acidic water?
1 6.0
2 7.5
3 7.0
4 5.3

F Pond 4
G Pond 2
H Pond 1
I Pond 3

3. An enzyme that works best in a basic environment would function best at a pH of
A 3
B 5
C 11
D 7

4. A substance that accelerates the rate of a chemical reaction is called a(an)
F molecule.
G enzyme.
H element.
I lipid.

Use the following diagram to answer Numbers 5-7.

5. Humans have a body temperature of 37.00C. Which enzyme would have the most activity in humans?
A Enzyme X
B Neither Enzyme X or Y
C Enxzyme Y
D Enzyme X and Y

6. According to Figure 1, which enzyme(s) would you expect to find in a bacterium growing in a hot spring?
F Enzyme X and Y
G Enzyme X
H Neither Enzyme X or Y
I Enzyme Y

7. At what temperature do Enzyme X and Enzyme Y have the same amount of activity?
A 850
B 100
C 400
D 450

Vocabulary:
1. autotroph
2. heterotroph
3. ATP- Adenosine Triphosphate
4. Photosynthesis
5. Pigment


Classwork:
1.Warm Up and Vocabulary
2. Hand in Homework Read and outline 8-1
3. Movie
4. Foldable
5. Closure


Tonight's Homework:
1. Read and outline 8-2
2. (only for students who are not going to be here Wednesday)- Winter Break Packet


Homework Due: Read and outline 8-1