- Give exact location and function of:
(1) Stroma
(ii) Thylakoids
Hii) Guard cell
(iv) Grana
Answers
Answer:
(I)The stroma is essential for this because not only does it contain the enzymes necessary for carbon fixation, it also manages the chloroplast response to cellular stresses and signaling between various organelles. It plays an important role in both the light-dependent and light-independent reactions of photosynthesis.The stroma is located in the chloroplast of a plant cell.
(II)They are located within the chloroplasts...The thylakoid membranes of a chloroplast is an internal system of interconnected membranes, that carry out the light reactions of photosynthesis.
(III)One of the most important functions of guard cells is to control the closing and opening of the stoma/pores. While the opening of these pores allows water to be released into the environment, it also allows carbon dioxide to enter the cell for photosynthesis.
(IV)Grana are found within the chloroplast.Grana (plural of 'granum') are stacks of structures called thylakoids, which are little disks of membrane on which the light-dependent reactions of photosynthesis take place.
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Answer:
(ii)-inside chloroplast.Its function is to regulate light reaction.
(iii)-around stomata.Its function is to open or close stomata.