Botany or Plant Biology

What is the Zone of Elongation of a Root in a plant?


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2010-01-06 01:52:02
2010-01-06 01:52:02

The zone of elongation is the area where the cells push the tip deeper and deeper into the soil.

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The root tip is on the bottom of the Zone of elongation and the zone of elongation is where the cells are and the cells push the zone of elongation and the root tip gets the water and sends the water through the xylem into the plant. So the root tip get the water.

The plant root system is made of various regions of tissues. These are root cap at the apex, the meristem of actively dividing cells, root hair zone and cell elongation and maturation zone having vascular tissue etc.

The root is divided into three zone: the meristematic zone at the root tip, the elongation zone, and the maturation zone. Cells are actively dividing at the root tip. In the elongation zone, cell walls are loosened and the central vacuole swells with water in order to expand the length of the root. In the maturation zone, the xylem and phloem of the stele are formed and lateral root formation can occur.

This is the organization of roots from the base closest to the plant itself to the tip of the root: zone of maturation - cells specialize to carry particular functions (root hairs present) zone of elongation - rows of newly produced cells elongate zone of cell division - new cells being produced root cap - covers the growing tip

meristem-is the tip and manufactures new cells;it is an area of cell division and of elongationzone of maturation

Auxins which promote apical dominance, cell elongation and root growth and gibberilins which stimulate elongation growth.

yaaaaa.... I HAVE NO IDEA AASK SOMEONE ELSE!!!^ dumb answer.anyways, there are only three zones of a root in the longitudinal section.They are as follows:The Zone of Cell Division/MitosisThe Zone of ElongationThe Zone of MaturationThe Zone of Mitosis: Immediately proximal to the root cap is a cluster of cells that do not actively divide. This pad of cells is often called the quiescent center. These cells probably represent a reserve of cells to be recruited later in time for the meristem. As such they serve as corrections for proliferating somatic mutations. Just proximal to the quiescent center are cells that divide rapidly by mitosis, adding new cells to the length of the root. This is of course just one contribution to elongation of the root.The Zone of Elongation: Just proximal to the zone of mitosis is a zone of cell elongation. In this part of the root the newly created cells expand in their long dimension to push the meristem and root cap through the soil. The addition of the cells and their elongation are the tandem contributors to root elongation. This elongation involves resculpting the wall, growth of the cell within, a coalescence of the vacuoles to form a single large vacuole, and maturation of the organelles in these cells.The Zone of Maturation: As we keep moving proximally (away from the root apex), we find that the cells that are elongating are also differentiating. They are becoming distinguishable from each other. Some are destined to be typical parenchyma cells, while others will mature to be sclerenchyma cells.Hope this helped! :)

Plant growth is regulated by chemicals within the plant. The Auxins are growth promoters responsible for root elongation.

Auxins, which are plant hormones, are responsible for cell elongation.

Young root tip: axis of the plant which grows in the opposite direction from the stem, maintain the plant in place and absorbs nutrients.Surface: view of the external part of a root.Longitudinal section: cut through the length of the root.Root hair zone: part of the root on which are located the root hairs that absorbs water and nutrients.Elongation zone: set of cells that determine the growth of the root.Apical meristem: tissue at the top of the root composed of rapidly multiplying cells.Root cap: envelope that protects the young root.

Ok the important parts of the plant is the Zone Of elongation. That zone has all the cells and those cells keep pushing the root so the plant can get some water. So that is one important part, how do i know this well i took one of those finals you have to take and i got a 100! and that was one of the questions.

Root cap, meristematic cells zone, root hair zone, mature tissue system etc.

Stem elongation is promoted by plant hormones called giberellins.

The zone of elongation occurs when the cells in this zone stretch and lengthen as small vacuoles within the cytoplasm coalesce and fill with water. One or two large vacuoles occupy almost all of the cell volume in fully elongated cells. Cellular expansion in this zone is responsible for pushing the root cap and apical tip forward through the soil.

Auxin accumulates on the lower surface of the root and inhibits elongation of cells in that region.

auxin. which is a hormone in the plant which stimulates cell division and cell elongation.Auxin

the four regions of the root are root cap, cell division, elongation and specialization

A root is a part of a plant that anchors the plant in the ground and gets water and nutrients from the soil.The part of the root where growth and development starts/The apical part of the root having root cap and a zone of merestematic cells is called root apex.

Root Zone helps tropical plants to grow because it keeps them at a constant tropical temperature. This services the purpose of extending the plant's growing cycle, and increasing its plant yield.

provides a large surface area for transportation

It allows water to rise into the plant root zone

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