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Cell wall: Origin and Growth

The cell wall is structurally and chemically different from the protoplasm. The growth in thickness of walls is evident in both primary and secondary walls. The initiation of the cell wall and how it grows is being studied here. Origin of the Cell wall The wall formation is first evident …

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Cell wall: Structure and Composition

A layer of structural materials composed of polysaccharides, glycoproteins, and phenolic compounds found external to protoplasm is called the cell wall. Certainly, it defines the shape and size of the cell. In this paragraph, the structure and composition of cell walls will be discussed explicitly. Gross Structure of Cell Wall The …

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Gene Cloning: Basic, Requirements & Steps

Author: Tahmina Mojumder This article discusses Recombinant  DNA  and  gene cloning, plasmid  and  phase vectors, restriction enzymes, restriction maps and their properties, recombinant selection. Recombinant DNA Recombinant DNA is the common name  for a segment of  DNA  that has been created by combining at least two  fragments from two different …

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Reproductive Biology in Crop Plants: Part Two

Reproduction is one of the fundamental features of life on earth. Reproduction means ‘to produce’. Plant reproduction is a biological process by which plants produce new individuals or offspring. Reproduction enables the continuity of plant species, generation after generation. Modes of Reproduction Modes of reproduction in crop plants are mainly …

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Leaf Traces & Pit Pairs

Strand of fluid-carrying vascular tissue extending from the main stem to the base of a leaf is Leaf Trace. Relatively thinner portions of the cell wall that adjacent cells can communicate or exchange fluid through are called Pits. In this article, Leaf traces and Pits will be discussed explicitly. Prolongations …

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Pulses

Pulses are dry, edible seeds of legumes belonging to the family Fabaceae. In the past three decades, global pulse production has grown rapidly. In the past ten years alone, the world has produced between 50 and 60 million tons of pulses each year. As of 2015, the world’s biggest producers …

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Japan as a Place for Higher Studies

Japan, It is a country in Eastern Asia. Almost everyone in Bangladesh, who knows about Japan, likes this country. There are a lot of students here, who want to pursue higher studies in Japan. But because of lack of enough information, students face problems.   Quality of Higher Studies in …

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Concept of Soil Fertility

Soil fertility means the ability of a soil to sustain plant growth by providing essential plant nutrients and favorable chemical, physical and biological characteristics as a habitat for plant growth. Soil Fertility Soil fertility is defined as “the quality that enables a soil to provide the proper compounds, in the …

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