Question

4. Photosynthesis is the pathway used to synthesize carbohydrates from: O 02. sunlight, CO2, and H20. O sunlight sunlight, CO2, and 02. CO2 5. Which of the answer choices correctly describes the role of rubisco in the Calvin cycle? None of the other answer options is correct. Rubisco uses NADPH to reduce 3-phosphoglycerate to a 3-carbon sugar Rubisco incorporates CO2 from the atmosphere into an organic molecule. Rubisco uses ATP to regenerate RuBP. 5. In the Calvin cycle, NADPH is: O phosphorylated. None of the answer options is correct. oxidized. O reduced O oxidized and reduced. . Which of the answer choices is needed directly to produce both triose phosphates and RuBP in the Calvin cycle? rubisco ОАТР O 02 NADPH Ophotosystem II

Answer 1

(1) (i) sunlight, cog, and H₂O . *** During the Photosynthesis two Reaction one is Light Reaction and dark Raction is occur. - Light Reaction it is the initial stage of Photosynthesis which trap light Energy to split water Molecule for ATP & NADPH Production, Dark Reaction it is the second step which utilizes the Energy from ATP and NADPH to produce glucose from logo (2) (C) Rubisco incorporates cog from the atmosphere into an organic molecule. *** in the First step of the calvin Cycle, Rubisco (RuBP Carboxylase -oxygenase] Catalyzes attachment of Cog to a five Carbon Sugar RuBP, this step is called carboxylation. Resulting 6- Carbon molecules is unstable and quickly splits into two molecules of a three - carbon compound called 3-Phosphoglycerate 3- CSScanned with CamScanner

(3) (iii) oxidized *** In the Second stage called Reduction, ATP and NADPH are used to reduce 3-PGA into Glyceraldehyde - 3-Phosphate (G-3-P). During Reduction Steup Stage NADPH us oxidized unto Naopt. NADPH = NADpt. ( Reduced) Loxidized Form) (4) (ů) ATP *** ATP is required to Catalyze both Reduction and Regeneration Pathway. in Reduction Stage Triose phosphates is formed and in regeneration stage RuBP is formed or regenerate. CSScanned with CamScanner