Answer:
The correct answer is d. photorespiration
Explanation:
In the C3 plant, the Rubisco enzyme is important that fix CO2 into organic molecule by binding with CO2. Rubisco can also bind to oxygen when the oxygen concentration increases in cells which leads to the loss of fixed CO2 and waste of energy which is called photorespiration.
So when stomata are open CO2 comes in and O2 goes out of the cell which maintains the high CO2 concentration in the cell but during hot days C3 plants close stomata to prevent water loss.
So closing of stomata decrease the intake of CO2 and increase the oxygen concentration inside the cell. So in increased temperature and high oxygen concentration, the rubisco enzymes bind to O2 and promote photorespiration.
Answer:
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Explanation:
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Hormones stimulates stem elongation and pollen tube growth gibberellins.
A type of plant and fungus hormone is gibberellin. Although its function in the development of fungi is not fully understood, extensive research has been done on it in plants. The other four major groups of plant hormones are auxins, cytokinins, ethylene, and abscisic acid. Gibberellin is one of these hormones. Gibberellin can make seeds come out of dormancy, lengthen cells, promote division, and even play hormonal and signaling roles in the fruiting and senescence processes. Numerous areas of the plant produce different types of gibberellin molecules. There are currently more than 100 distinct gibberellin molecules.
Learn more about Gibberellin here:-
brainly.com/question/20601611
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I think that the repurposing an item is also right
