18 Questions
What is the main purpose of the light-independent reactions in photosynthesis?
Fix CO2 to make glucose
How do plants in dry climates maximize CO2 fixation during hot days?
Separating photosynthesis steps in different leaf tissues
Which plant adaptation involves fixing carbon at night and continuing the process during the day with closed stomata?
CAM photosynthesis
What is a characteristic of cyanobacteria in terms of photosynthesis?
Photosynthesis happens across the plasma membrane
Why do some bacteria perform photosynthesis even without chloroplasts?
They use specialized pigments to capture light energy
Why is photosynthesis considered important for all living organisms?
To produce sugars necessary for cellular respiration
Which step of photosynthesis uses the energy carriers and ATP made in the light-dependent reactions to transform carbon dioxide into glucose?
Calvin Cycle
In photosynthesis, which step is responsible for producing oxygen gas as a byproduct?
Light-dependent reactions
What is the term for the process that uses an electron transport chain to make ATP in photosynthesis?
Oxidative Phosphorylation
Which of the following organisms do not engage in photosynthesis?
Yeast in anaerobic conditions
In which type of photosynthesis variation do plants open their stomata at night to reduce water loss during the day?
CAM photosynthesis
Why is photosynthesis especially important in maintaining life on Earth?
It releases oxygen necessary for cellular respiration
What is the primary role of the light-independent reactions (Calvin cycle, =synthesis) in photosynthesis?
To reduce carbon dioxide to glucose
In photosynthesis, where does the oxygen come from during the light-dependent reactions?
Splitting of water molecules using sunlight energy
Which process is most important for plants in arid climates due to their need to conserve water?
CAM photosynthesis
How does the process of photosynthesis differ in bacteria compared to plants?
Bacteria lack chlorophyll but use other pigments for photosynthesis
Why is photosynthesis considered a vital process for life on Earth beyond just producing food?
It is the primary source of oxygen in the atmosphere
Which reactant is reduced in the simplified equation for photosynthesis: CO2 + H2O → CH2O + O2?
H2O, producing O2
Learn about the two main processes of photosynthesis: Photo (Light dependent reactions) and Synthesis (Light independent reactions). Understand how light and H2O are used to produce energy carriers and ATP, which are then used in transforming carbon dioxide into glucose.
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