CHAPTER 9: Photosynthesis
Student Notes
Definitions and Questions:
Define the following:
Chemoautotroph
Photoautotroph
Chemoheterotroph
Photoheterotroph
Which of the above terms describes a human?
A plant?
A particle of light is called a _____________.
What does a wavelength measure?
The shorter the wavelength, the greater/lesser the energy of the radiation.
The major pigment involved in photosynthesis is ________________________. This pigment appears
green because it absorbs/reflects green, and absorbs/reflects red and blue.
Accessory pigments are helpful because:
The overall chemical equation for photosynthesis is:
The process of photosynthesis is catabolic/anabolic.
What are the 2 major phases of photosynthesis?
1. ____________________________________ occurs in the ___________________________.
2. ____________________________________ occurs in the ___________________________.
The reaction center of Photosystem II is referred to as ____________, and the reaction center of
Photosystem I is referred to as_____________.
The coenzyme that carries electrons in photosynthesis is ________ in its oxidized form and ________ in
its reduced form.
What is carbon fixation?
ATP synthesis that is coupled to electron transport, powered by light energy is called
_______________________.
What is the first enzyme in the Calvin cycle?
What is the product of the Calvin cycle?
Is the Calvin cycle endergonic or exergonic?
How does the CO2 enter the plant?
What types of plants undergo C4 photosynthesis?
What types of plants undergo the CAM pathway?
What is photorespiration?
Chapter 8 Goals:
1. Demonstrate understanding of the properties of light
2. Fundamental knowledge of the process of photosynthesis