Question

Из каких клеток составляют зоны роста и деления? чем отличаются их клетки? ​

Answer 1

Ответ: Зона деления клеток находится между корневым чехликом и зоной растяжения (зоной роста). Зона деления образованный мелкими, плотно прилегающими одна к другой живыми клетками. Это образовательная ткань. Клетки здесь постоянно делятся, число их увеличивается

Объяснение:

Answer 2

Корень растет своей верхушкой, поскольку там находится точка роста, состоящая из образовательной ткани. Корень состоит из нескольких зон. В зоне деления интенсивно размножаются (делятся) клетки образовательной ткани. В зоне роста делятся только отдельные клетки.

Answer 3

Zones of Growth and Division in Cells

Cells in living organisms are constantly undergoing growth and division to support various biological processes. The zones of growth and division in cells are primarily composed of two types of cells: meristematic cells and non-meristematic cells.

1. Meristematic Cells: Meristematic cells are responsible for the growth and development of plants. They are found in specific regions called meristems, which are located at the tips of roots and shoots. Meristematic cells have the ability to divide rapidly, leading to the production of new cells. These new cells then differentiate into various specialized cell types, contributing to the growth and development of the plant.

2. Non-Meristematic Cells: Non-meristematic cells, also known as permanent cells, are derived from meristematic cells and have completed their growth and division. Unlike meristematic cells, non-meristematic cells have lost the ability to divide further. They are found in mature tissues and perform specific functions based on their specialization. Non-meristematic cells can be further classified into different types, such as parenchyma, collenchyma, and sclerenchyma cells, based on their structure and function.

Differences between Meristematic and Non-Meristematic Cells

There are several key differences between meristematic cells and non-meristematic cells:

1. Location: Meristematic cells are primarily located in the meristems, which are found at the tips of roots and shoots. Non-meristematic cells, on the other hand, are distributed throughout the mature tissues of plants.

2. Division Capacity: Meristematic cells have a high division capacity and can undergo rapid cell division to produce new cells. In contrast, non-meristematic cells have completed their growth and division and have lost the ability to divide further.

3. Differentiation: Meristematic cells give rise to new cells that differentiate into various specialized cell types, contributing to the growth and development of the plant. Non-meristematic cells have already undergone differentiation and have specific functions based on their specialization.

4. Structure: Meristematic cells are small, isodiametric (having equal dimensions in all directions), and have thin cell walls. Non-meristematic cells, on the other hand, can vary in size, shape, and cell wall thickness depending on their specialized functions.

5. Function: Meristematic cells are responsible for the growth and development of plants, while non-meristematic cells perform specific functions based on their specialization. For example, parenchyma cells are involved in photosynthesis and storage, collenchyma cells provide mechanical support, and sclerenchyma cells provide structural support.

In summary, the zones of growth and division in cells are composed of meristematic cells and non-meristematic cells. Meristematic cells are responsible for growth and have a high division capacity, while non-meristematic cells have completed their growth and division and perform specific functions based on their specialization.