D. ATP E. RuBP carboxylase 26. A scientist sheath cells contain chloroplasts. Wh
ID: 201869 • Letter: D
Question
D. ATP E. RuBP carboxylase 26. A scientist sheath cells contain chloroplasts. What can she logically conclude about She discovers that the bundle examines a cross section of a leaf under a microscope. A. This is a type of succulent plant. is energy intensive but can withstand short duration of drought and heat further tests. C. The D. This plant uses chemosynthesis rather than photosynthesis. E. This plant is energy efficient and thrives in moderate temperatures configuration is unusual and thus one cannot draw conclusions without s a compound that causes a disruption in the H+ gradient in the thylakoid. What likely accumulate in the stroma? A. 3-phosphoglycerate (3PG) B. ribulose 1,5-bisphosphate (RuBP) C. glyceraldehyde-3-phosphate (G3P) D. NADPH E. 1,3 bisphosphoglycerate (BPG) 28. Which of the following correctly describes CO2 fixation in a C3 plant? A. Rubisco combines co2 with RuBP to form a compound that then breaks down into two 3-carbo compounds. Rubisco combines CO2 with a 2-carbon compound to form 3PG, which is then reduced to G3P. Rubisco combines 3 CO2 molecules to form 3PG, which is then reduced to G3P. ATP synthase derives energy for the generation of ATP from D) Rubisco combines 6 CO2 molecules to form RuBP, which breaks down into two 3-carbon compounds. (Ajth e movement of hydrogen ions against their concentration gradient into the thylakoid space. the splitting of H20 which releases electrons. lar e santured by the light reactions changing the shape of the enzyme.Explanation / Answer
26. This is a kind of sacculant plant.
They are drought resistant plants in which the leaves, stem or roots have become more than usually fleshy by the development of water-storing tissue. Plants adapted to living in dry environments such as succulents are termed xerophytes.
27. 3- phosphoglycerate(3PG)
3- phosphoglycerate(3PG) is a poison that disrupts the H+ gradient in the thylakoid space would most likely cause to accumulate during the Calvin cycle reactions
28. D
Rubisco combines CO2 with RuBP to form a 6-carbon compound that then breaks down into two 3-carbon compounds.
29. A
Hydrogen ions flow down a concentration gradient from the thylakoid space to the stroma through ATP synthase, releasing energy that can be used to produce ATP from ADP + Pi.
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