Explain why root hair cells do not contain chloroplasts.
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The roots have a type of cell called a root hair cell. These project out from the root into the soil, and have a big surface area and thin walls. This lets water pass into them easily.
Note that root cells do not contain chloroplasts, as they are normally in the dark and cannot carry out photosynthesis.
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Single tubular cells make up root hair cells. The surface of interaction between the plant's root system and the soil is increased by this characteristic lateral extension.
- The intake of water and nutrients from the rhizosphere is the primary function of root hairs.
- Because most plants' roots are underground and not exposed to light, root cells lack chloroplasts.
- Photosynthesis, which requires light, necessitates the presence of chloroplasts.
- Chloroplasts contain chlorophyll, a green pigment that converts the sun's light energy into food. Plants convert carbon dioxide from the atmosphere and water from the soil into sugars and oxygen.
- When light strikes a chlorophyll molecule, it excites it and causes it to release an electron.
- As a result, the chlorophyll molecule snatches an electron from water, rendering it unstable.
- It decomposes as a result, releasing oxygen and hydrogen.
- The hydrogen is used to generate simple sugars for the plant, while the oxygen is discharged into the air.
- The major function of the roots are to collect and store water and nutrients from the ground while also supporting the plant.Therefore chloroplast is not a major requisite for the plant.
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