what is the difference between photosynthesis and respiration (net positive photosynthesis) stored in roots, stems, leaves, fruits, seeds, and their modifications
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what is the difference between photosynthesis and respiration (net positive photosynthesis) stored in roots, stems, leaves, fruits, seeds, and their modifications
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- During photosynthesis, the synthesis of ATP is driven by the flow of H+ from the thylakoid lumen into the stroma via the enzyme ATP synthase. This synthesis of ATP in chloroplast achieved by a chemiosmotic mechanism is specifically called __________.In plants, under what solution conditions are Calvin cycle and gluconeogenesis enzymes most active? 1 Low pH, low [Mg2+] Low pH, high [Mg2+] 2 High pH, low [Mg2+] 4 High pH, high [Mg2+]Photosynthesis can be impacted by shifts in environmental conditions, most notably by high light intensity and/or arid conditions. Plants employ a number of strategies to deal with this. List two viable ALTERNATE pathways/mechanisms for photosynthesis (beyond the traditional pathway) and the advantages/disadvantages of each.
- Which of the following defines photorespiration? The metabolic pathway by which most autotrophs use the energy of light to make sugars from carbon dioxide and water The light-independent reactions of photosynthesis Process by which electron flow through electron transfer chains sets up a hydrogen ion gradient that drives ATP formation An inefficient metabolic pathway of producing sugars that occurs when O2 attaches to rubiscoWhich of the following statements about the light reactions of photosynthesis are correct? 1. Absorption of light does one thing: it makes chlorophyll easier to oxidize. 2. In PSII, the rate of damage to the D1 protein can never exceeds the rate of repair. 3. Electron transport is spontaneous (exergonic) as electrons move from P680* to P700+. 4. Compared to anoxygenic photosynthesis, in oxygenic photosynthesis less light needs to be absorbed to reduce NADP+. A. 1,2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1,2,3 and 4 are correctWhich among the following is not a raw material of light dependent reactions of photosynthesis? Light ATP+Pi NADP+ NADPH
- Which of the following is TRUE about CAM photosynthetic pathway? Compared to the C3 and C4 pathways, CAM photosynthesis results in greater transpiration and water loss. O By separating where carbon is initially fixed inside the leaf tissue, CAM plants can better control the gradient of carbon dioxide between the air and their leaves. CAM photosynthesis is more energy efficient than C3 photosynthesis. Compared to C3 and C4 photosynthetic pathways, the rate of CAM photosynthesis is limited.What is/are the differences between photosynthesis and respiration? What is the relationship between respiration and plant growth?Despite the enormous amount of solar energy that plants are exposed to, photosynthesis is only able to transform about 1% to2% of that energy into stored chemical energy. Explain 1 factor responsible for this phenomenon and detail how it contributes to this inefficiency.
- Plant chloroplasts are able to generate which of the following inorganic product molecules during oxygenic photosynthesis? C6H12O6 CO CO2 O2 H2SWhich of the following does not occur in anoxygenic photosynthesis? Bacteriochlorophyll is involved in the light reaction. Water is split into oxidized and reduced parts. The system operates under anaerobic conditions. O ATP is formed via cyclic photophosphorylation.Dark reaction of photosynthesis does not need light. Do plants undergo darkreaction at night explain.