Concept explainers
To review:
The experimental design to determine the photosynthetic strategy followed by the new species of succulent plant, which has stomata open during the daytime under the mild spring environment.
Introduction:
The process of photosynthesis is categorized on the basis of external environmental conditions into different types. C3, C4 and CAM photosynthetic pathways are the modes followed by the plants to make sugars from CO2. Crassulacean acid
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Biology: The Dynamic Science (MindTap Course List)
- But how are the two types of mesophyll involved? From what I understand, CO2 enters the stomata, and then the citric acid cycle of the mitochondia in the mesophyll use the carbon atoms do produce glucose, which then goes through phloem loading and it either used or stored. My question, I guess, is how exactly are the two types of mesophyll involved? Is only one used or are both used at different times in the production of the glucose?arrow_forwardFor a given stomatal conductance, how will an increase in atmospheric concentrations of CO2 possibly influence the rate of photosynthesis? How might this affect the water use efficiency of the plant?arrow_forwardHigh transpiration rates imply bulk flow of water through the xylem which would also be necessary to support distance transport of carbon in the ________ under the theory known as the ________ __________hypothesis. (Fill in the blanks)arrow_forward
- Previous research shows that shade-adapted plants produce more chlorophyll than sun-adapted plants produce. Previous research also shows that sun-adapted plants produce more of the key enzymes that catalyzes photosynthesis and cellular respiration than shade-adapted plants produce. Describe which experiments support each of these previous research findings. Cite your results from Procedure II and Procedure III to support your reasoning.arrow_forwardBriefly explain the transpiration-cohesion-tension mechanism in plantarrow_forwardA) 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 Barrow_forward
- Stomata can open and close in order to modulate the transpiration stream and allow for exchange of oxygen and CO2. Stomata OPEN by…arrow_forwardCottonwood trees are commonly found along river banks and irrigation ditches. They have broad flat leaves and can transpire 200 gallons of water per day. Many succulent plants live in hot, arid environments and have thick leaves with a wax-like substance covering their leaves. They generally open their stomata for gas exchange at night. Using your understanding of transpiration, find the adaptations that allow these plants to survive in their respective environments.arrow_forwardWhich of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. Rootsarrow_forward
- How would you expect the rate of transpiration to be affected by the following and why?: b. The sun rising over a CAM plant.arrow_forwardIn a set-up where Plant 1 and Plant 2 are exposed to light, Plant 1 had a transpiration rate of 1.24 while Plant 2 had a transpiration rate of 1.01. If your goal is to conserve water, which plant is better to be planted during summer wherein there s a high solar incidence?arrow_forwardEven though a very few cells in a C4 plant carry out the biosynthetic – Calvinpathway, yet they are highly productive. Can you discuss why?arrow_forward
- Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning