Question

Why is it crucial for root hair cells to have a long, narrow cytoplasmic extension? (a) To speed up the uptake of oxygen (b) To speed up the removal of carbon-di-oxide (c) To speed up the uptake of ions (d) To speed up the uptake of sugars and amino acids

Answer 1

Answer:

(c) to speed up intake of ions

Explanation:

Root hairs are where most water absorption happens. They are long and so they can penetrate between soil particles, and prevent harmful bacterial organisms from entering the plant through the xylem vessels. ... This happens because the soil water has a higher water potential than the root hair cell cytoplasm.Root hair cells have long projections that increase the surface area that the plant can use to absorb water and minerals.

Answer 2

Answer:

Question:

Why is it crucial for root hair cells to have a long, narrow cytoplasmic extension?

AnsweR:

(c) To speed up the uptake of ions

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