Podcast
Questions and Answers
What is the purpose of C4 plants incorporating CO2 into four-carbon compounds in mesophyll cells?
What is the purpose of C4 plants incorporating CO2 into four-carbon compounds in mesophyll cells?
- To minimize the cost of photorespiration (correct)
- To enhance the process of glycolysis
- To maximize the production of ATP
- To promote the Calvin cycle
What enzyme catalyzes the reaction where CO2 reacts with phosphoenolpyruvate (PEP) to form oxaloacetate in C4 plants?
What enzyme catalyzes the reaction where CO2 reacts with phosphoenolpyruvate (PEP) to form oxaloacetate in C4 plants?
- PEP synthase
- NADPH reductase
- Rubisco
- PEP carboxylase (correct)
In C4 plants, how many times does carbon fixation occur according to the text?
In C4 plants, how many times does carbon fixation occur according to the text?
- Four times; in multiple cell types
- Thrice; in mesophyll cells, bundle sheath cells, and stomata
- Once, only in mesophyll cells
- Twice; in mesophyll cells and in bundle sheath cells (correct)
What is the fate of malate in C4 plants after it is transported to the bundle sheath cells?
What is the fate of malate in C4 plants after it is transported to the bundle sheath cells?
What role does PEP carboxylase play in the C4 pathway?
What role does PEP carboxylase play in the C4 pathway?
Why is the process called photorespiration in C4 plants?
Why is the process called photorespiration in C4 plants?
What is the primary role of the light-harvesting complex in photosynthesis?
What is the primary role of the light-harvesting complex in photosynthesis?
Which pigment absorbs light energy but transfers it to chlorophyll a?
Which pigment absorbs light energy but transfers it to chlorophyll a?
Which photosystem contains the P700 reaction center?
Which photosystem contains the P700 reaction center?
What are the chemical products of the light-dependent reactions in photosynthesis?
What are the chemical products of the light-dependent reactions in photosynthesis?
What is the main function of photosynthetic pigments?
What is the main function of photosynthetic pigments?
What is the role of chlorophyll in photosynthesis?
What is the role of chlorophyll in photosynthesis?
What molecule is converted into ribulose bisphosphate (RuBP)?
What molecule is converted into ribulose bisphosphate (RuBP)?
How many molecules of G3P are required to synthesize one molecule of glucose in the Calvin cycle?
How many molecules of G3P are required to synthesize one molecule of glucose in the Calvin cycle?
What happens to the remaining 10 molecules of G3P in the Calvin cycle?
What happens to the remaining 10 molecules of G3P in the Calvin cycle?
Which enzyme catalyzes the reaction between CO2 and RuBP?
Which enzyme catalyzes the reaction between CO2 and RuBP?
What is the intermediate formed during the carbon fixation process called?
What is the intermediate formed during the carbon fixation process called?
How many ATP molecules are required to produce 6 molecules of RuBP from the remaining 5 molecules of G3P?
How many ATP molecules are required to produce 6 molecules of RuBP from the remaining 5 molecules of G3P?
What is the first molecule formed during CO2 fixation in C3 plants?
What is the first molecule formed during CO2 fixation in C3 plants?
What happens when the O2 concentration is higher than CO2 within the air spaces in the leaf?
What happens when the O2 concentration is higher than CO2 within the air spaces in the leaf?
What are the two primary photosynthetic adaptations that minimize photorespiration in plants during hot and dry conditions?
What are the two primary photosynthetic adaptations that minimize photorespiration in plants during hot and dry conditions?
How does C4 photosynthesis differ from C3 photosynthesis?
How does C4 photosynthesis differ from C3 photosynthesis?
What happens during the reduction stage of the Calvin cycle?
What happens during the reduction stage of the Calvin cycle?
What is the primary advantage of the CAM photosynthesis over C3 photosynthesis?
What is the primary advantage of the CAM photosynthesis over C3 photosynthesis?
What is the net result of the consumption of water in photosynthesis?
What is the net result of the consumption of water in photosynthesis?
Where do chloroplasts contain 30-40 of?
Where do chloroplasts contain 30-40 of?
What is the energy source for photosynthesis?
What is the energy source for photosynthesis?
What is the definition of photosynthesis?
What is the definition of photosynthesis?
Where do O2 exits and CO2 enter?
Where do O2 exits and CO2 enter?
In which organisms does photosynthesis occur?
In which organisms does photosynthesis occur?
