Plants that fix CO 2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called O A. C 3 plants. B. C 4 plants. O C. CAM plants. O D. B and C only. E. A, B, and C
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- C4 plants and CAM plants are both different from C3 plants. Only CAM plants a. require 2 cells to fix carbon. b. C. d. e. omit the Calvin cycle. use malate to store carbon. have no stomata. capture CO2 at night. d CPhotorespiration becomes more likely when a. CO2 concentrations are high in leaf cells. b. stomata remain closed in C3 plants. c. glucose concentrations are low in leaf cells. d. ATP binds to rubisco.Photorespiration occurs in _______ plants. a. C3 and CAM b. C4 and CAM c. C3, C4, and CAM d. C3 and C4
- The C4 photosynthetic pathway A. Is always more efficient than any other type of photosynthesis B. Temporally separates the light reaction and the Calvin cycle C. Allows plants to photosynthesize more efficiently in high light environments D. Is found most often in cactiC4 and CAM plants are more efficient than C3 plants because th reduce 02 concentration. have no stomata in leaves. have more pigments. store CO₂ for day photosynthesis. have broad leaves. b. ú a b dSome plants have coloured leaves as an adaptation: To warn herbivorous insects that the plant is full of toxins. O a. O b. It allows the leaves to use chlorophyll d in very hot conditions. O C. To attract pollinating insects. O d. The leaves are storing oils as a food reserve. O e. It improves the efficiency of photosynthesis in low light levels.
- The increase in air CO2 concentration leads to global warming and extreme weather. What are the effects of the factors listed below on photosynthesis? Which plants (C3 or C4) have an advantage? a- Increased CO2 concentration b- High temperature c- droughts Need answer in short and ASAP please . Thank you.Photosynthesis in some of the crops is efficient at this range of temperature a. 20°C - 30°C b. 25°C - 30°C c. 20°C - 25°C d. 20°C - 23°CThe light reactions of photosynthesis provide A. RuBP B. carbon dioxide C. chemical energy D. carbohydrate E. ADP
- Plants where light independent reactions take place in the same cells as light dependent reactions (mesophyll cells) are using which kind of photosynthesis? A. C3 only B. C4 only C. Either C3 or CAM D. Either C3 or C4Photorespiration is avoided in C4 plants becausea. these plants separate the formation of a four-carbon molecule fromthe rest of the Calvin cycle in different cells.b. these plants carry out only anaerobic respiration.c. the enzyme PEP carboxylase functions to maintain high CO2concentrations in the bundle-sheath cells.d. all of the above.e. a and c onlyMatch how each adaptation supports photosynthesis for a specific type of plant. f. mesophyll g. C3 a. Stomata close. b. CAM h. malate temperature d. leaf thickness C. i. PEP j. 0, е. C4 66. Which type of plant works best in cool climates? 67. Which type of plant uses two cells for fixing carbon into carbohydrates? 68. Which molecule combines with CO, to form oxaloacetate? 69. Which factor reduces the rate of photorespiration? 70. Which factor suggests a strategy to retain water in a dry environment