Photosynthesis Flashcards
What is photosynthesis?
Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose.
True or False: Photosynthesis occurs only in the presence of sunlight.
True
Fill in the blank: The main pigment involved in photosynthesis is called ______.
chlorophyll
What are the two main stages of photosynthesis?
Light-dependent reactions and the Calvin cycle (light-independent reactions).
Which gas is absorbed by plants during photosynthesis?
Carbon dioxide (CO2)
What is the primary output of photosynthesis?
Glucose (C6H12O6)
Multiple Choice: Which of the following is NOT a product of photosynthesis? A) Oxygen B) Glucose C) Carbon Dioxide D) Water
C) Carbon Dioxide
What role do chloroplasts play in photosynthesis?
Chloroplasts are the organelles where photosynthesis occurs.
True or False: Photosynthesis contributes to the oxygen content of the atmosphere.
True
What is the formula for photosynthesis?
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
Fill in the blank: The light-dependent reactions take place in the ______ of the chloroplasts.
thylakoid membranes
What is the function of ATP and NADPH in photosynthesis?
ATP and NADPH provide the energy and reducing power, respectively, for the Calvin cycle.
Multiple Choice: Which of the following factors can affect the rate of photosynthesis? A) Light intensity B) Temperature C) Carbon dioxide concentration D) All of the above
D) All of the above
What is the Calvin cycle primarily responsible for?
The Calvin cycle is responsible for synthesizing glucose from carbon dioxide.
True or False: Only plants can perform photosynthesis.
False
Photosynthesis
CO²+H²O->C⁶H¹²O⁶+0²
anabolic (high energy “hump”)
- Light-dependent Rxn
- Calvin-Benson Cycle
- Assimilation of CO²
Light dependent reaction
photolysis of water (cleave)
-> NADPH + ATP
Calvin Cycle
reduction & biosynthesis
adds H to CO² molecules to create carbs!!
anabolic (synthesizes)
form G3P -> carbs
capture CO²->assimilate carbon
Assimilation
G3P -> Carbs
-> Amino Acids
->Fats >Proteins
