Staining of Cell wall of Parenchyma cell.
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Answer:
Parenchyma cells are the type of living plant cells, which are known for healing and repair mechanism, and food storage. Collenchyma cells are known for providing mechanical support to the plants, by protecting the delicate inner part of the plant. Sclerenchyma cells are the matured dead cells and are found in wooden part or hard stem of the plant.
Likewise the humans, who have bones to support their body structure, plants also have certain specialized tissues which help them, by providing support to their structure, protecting the inner parts, giving strength, etc. These three tissues (Parenchyma, Collenchyma, and Sclerenchyma) are considered as the ground tissues of the plants and are known to provide mechanical strength to the plant right from its growing stage to lifelong.
Apart from the above-mentioned points, plant tissues also help in the division of the new cells, and in growing of the new plants. It also helps in various metabolic activities. They also help the tissues of the leaf, stems, and branches in bending and protect from the damage.
Tissues are formed from the group of cells performing a specialized function. Plant are also multicellular organisms, containing numerous cells and each one is assigned for the specific activity. Generally, there are two types of plant tissues, these are Meristematic and Permanent tissues. The permanent tissues are again divided into simple permanent tissue and complex permanent tissues.
In this article, we will be focussing about the three types of simple permanent tissues, which are parenchyma, collenchyma, and sclerenchyma tissues. We will also discuss the ground point on which they differentiate.
Content: Parenchyma Vs Collenchyma Vs Sclerenchyma Cells
Explanation:
Parenchyma is the most simple tissues made up of living cells and forming the thin layer called as primary cell wall of the plant. Parenchyma is taken from the Greek word “Parenchyma”, meaning ‘something poured in beside’. In plants, parenchyma cells are widely distributed all over and occur as continuous mass from the stems to roots, leaves, fruits.
Parenchyma cells are responsible for generating many other specialised cells and tissues. Structurally they are isodiametric in shape as they have thin cell walls, due to which they face force and pressure around the walls of the cells and in this condition, the cell increases its volume capacity, in order to equalize the pressure all over the cells.
The walls of the cells are mainly composed of the hemicellulose and cellulose. The parenchyma cells are abundant in organelles like ribosomes, Golgi bodies, Endoplasmic Reticulum, Chloroplast and other content like pigments, starch, fats, proteins. These contents provide the nutrients to the germinating embryo.
Parenchyma cell walls are usually thin and primary while in sclerenchyma a secondary wall is formed on the inner side of the primary wall. ... Walls of sclerenchyma cells are usually lignified and, therefore, stain red with safranin or phloroglucinol-hydrochloric acid.
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