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- Pfr, the active state of _______________, forms when red light is absorbed. (a) photosystem I (b) phytochrome (c) far-red light (d) phototropin (e) cryptochromeIn hot, dry climates, plants have evolved mechanisms to avoid photorespiration. Which of the following is FALSE Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d C3 plants have no mechanism to avoid photorespiration C4 plants reduce photorespiration by separating the light reaction in the mesophyll cells from the light- independent reaction in the bundle-sheath cells CAM plants minimize photorespiration by collecting and storing CO2 at night and keeping their stomata closed during the day C4 plants include corn, sugarcane, and many grasses CAM plants can undergo photophosphorylation in the absence of sunlight 7 Open in ReadinHow will global climate change impacy plants that strictly respond to their environment through photoperiodism? Explain.
- In hot, dry climates, plants have evolved mechanisms to avoid photorespiration. Which of the following is FALSE Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d e C3 plants have no mechanism to avoid photorespiration C4 plants reduce photorespiration by separating the light reaction in the mesophyll cells from the light- independent reaction in the bundle-sheath cells CAM plants minimize photorespiration by collecting and storing CO2 at night and keeping their stomata closed during the day C4 plants include corn, sugarcane, and many grasses CAM plants can undergo photophosphorylation in the absence of sunlight Open in ReadirHerbicides that act by promoting photorespiration are lethalto C3 plants but do not affect C4 plants. Why is this so?Cactus leaves are so highly modified for defense that they cannot effectively accomplish photosynthesis, so how do cacti obtainorganic compounds?
- Why are lemon eucalyptus good as a insecticides, are there any research for them to be effective?Under similar environmental condition and considering the ultimate role of stomata in transpiration, which of the following plant species will likely release the largest amount of water vapor in the atmosphere? Plant Species II Plant Species III Plant Species I Plant Species IVWhat is the phenomenon wherein the plant grows toward the unidirectional light? Photoperiodism Phototropism Thigmonasty Photonasty
- What is the relationship between light intensity and the rate of photosynthesis. Make a prediction about this relationship, and identify both independent and dependent variables in the prediction. What will be a suitable hypothesis predict answers for the following: A) what is the rate of germinating peas versus non-germinating peas. B) what is the effect of temperature on germinating peas?Which of the following statements is are TRUE? Ca pathway involves a single C02 fixation step. In CAM plants. stomata are open during day time. Chlorophyll pigments absorb maximum light in the green wavelength. Reaction center of PSI is P700What is positive phototropism? Negative geotropism?