79. The type of cells that are predominant in potato tubers
are
(a) phloem cells (b) spongy cells
(c) parenchyma cells
(d) parenchyma and collenchyma cells.
Answers
Answer:
Parenchyma cells are notable for their thin walls, and for being alive at maturity. Collenchyma cells tend to develop thicker secondary cell walls, to support structure. Sclerenchyma cells get both thicker walls and die off at maturity, producing tissues like bark and vascular tissue. The parenchyma cells have thinner walls and stay alive at maturity. While this makes them less useful in structural applications, the cells can move and store water and nutrients as well as divide quickly. This is important for the growth and repair functions of the parenchyma cells.
Explanation:
Parenchyma cells are notable for their thin walls, and for being alive at maturity. Collenchyma cells tend to develop thicker secondary cell walls, to support structure. Sclerenchyma cells get both thicker walls and die off at maturity, producing tissues like bark and vascular tissue. The parenchyma cells have thinner walls and stay alive at maturity. While this makes them less useful in structural applications, the cells can move and store water and nutrients as well as divide quickly. This is important for the growth and repair functions of the parenchyma cells.
The answer is D
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