Under what environmental conditions does photorespiration “outcompete" that of the CC? Specifically, what mechanism is responsible for committing the cell to photorespiration and what type of plant does not have any "safeguards" to ensure that the CC is performed rather than photorespiration?
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- A) The concentration of CO2 is lower inside a plant cell than in the atmosphere (outside the cell). In your own words, describe how the CO2 levels are kept low inside the plant cell and explain why this is necessary. Assume stomata are open. B) Regarding the situation presented in Part A and assuming that the stomata of the plant leaves are closed, would this favour the induction of photorespiration in a C3 plant? Explain. Make reference to relevant molecule or molecules as needed. Please clearly label your responses as A and BDiscuss other morphological differences between sunny and shady set-ups of mung bean in relation to phototropic response of plants. Characteristics sunny shaded Leaf color Lime Green Pale Green Direction of Growth Grows upward towards the direction of sunlight Oriented in the direction of the light but growth is bent downwardWhat are the similarities and differences between the phototropic response of a plant shoot and the response of the pupil of a human eyes in response to light?
- What is photoreactivation?esis Experiment Pre x e/1FAlpQLSe1bU1Yeoh147E6rSOav9jF1elod7_gWmRI3SCcivqTgsOygQ/viewform?hr_submissi What do you think will happen to the amount of Carbon Dioxide in the bottl when the leaves are in the DARK? * Increasing function Decreasing function Constant functio (x) (x) f(x) (a) (b) (c) O The CO2 in the bottle will increase (a) O The CO2 in the bottle will decrease (b) The CO2 in the bottle will stay the same (c) Other: Explain why you are making this prediction, using what you know about photosynthesis and respiration.Provide a description of the phototransduction pathway from the absorption of light to the transmission of a nerve impulse passes through
- 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 ReadirHow does the vascular cambium increase in girth? Offer support for the argument that the seemingly independent axial and ray systems of secondary vascular tissue are developmentally related via the changes in the organization of the cambium. What is an inflorescence? Explain its advantages.What is the key role of light energy in the initial step of thephotosynthetic light reactions?
- A tobacco plant has successfully fended off plant pathogen via hypersensitive response (HR). (i) What would you be able to observe on the plant and explain the processes that happened at cellular level? What are the benefits for the tobacco plant that has developed systemic acquired resistance (SAR) in comparison to HR? (ii) (ii) Name the chemical compounds responsible in triggering SAR and how would this signal be transmitted?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 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 ReadinThe Zerons have the same photo transduction mechanism as humans but instead of rhodopsin, their active photo pigment is called zirtricon. This pigment gets activated upon receiving a spectrum of wavelengths that does not exist on earth. Considering that the rest of photo transduction pathway is the same as in humans, what device or molecular therapy would you design to allow photo transduction (activation of zitricon or anything else along the pathway of photo transduction) to occur in Zerons' retina to allow a Zerons to see on earth should you invite one to earth? Clarification: Think of the photo transduction pathway and all the steps in it and at what step or steps could you intervene with your scientific genius allow the cascade of events to occur to allow an action potential to be generated in the ganglion cells of Zerons' retina. This question has no correct answer