The gram-positive cell wall is surrounded by a thick layer of peptidoglycan which acts as a protective layer for bacteria. And, during the Gram Stain …
A cell wall is a rigid layer that provides mechanical support to plant cells, fungi, and some prokaryotic cells like bacteria. It acts as a …
Animal cells do not have a cell wall because a cell wall is a supportive layer that provides mechanical support to plants and other unicellular …
The surface of our body and internal organs is subjected to wear, tear and injury. To protect the inner tissues, the outer lining of the …
The surface of our body and internal organs is subjected to wear, tear and injury. To protect the inner tissues, the outer lining of the …
Specialized Epithelial Tissue are a class of epithelial tissues that have very specific and specialized functions and structures. This tissue is composed of cuboidal, columnar, …
Those plants whose seed contains only one cotyledon or embryonic leaf is known as monocotyledon or simply monocot. In this section, you will learn about …
Those plants whose seed contains two cotyledon or embryonic leaf is known as dicotyledon or simply dicot. In this section, you will learn about characteristics …
Those plants whose seed contains only one cotyledon or embryonic leaf is known as monocotyledon or simply monocot. In this section, you will learn about …
Based on the manner of orientation to the main axis of plant and direction of sunlight, leaves in angiosperms can be divided into two types
Based on the manner of orientation to the main axis of plant and direction of sunlight, leaves in angiosperms can be divided into two types
Growth in plants happens in two stages first new cells are produced, secondly these cells expand via uptake of water by the vacuole. The division …
The plants whose seeds have only one cotyledon are called dicots. The structure of dicot root varies greatly from that of the monocots. By understanding …
Blood caries many chemicals, which have various functions. One group of chemicals is called antigens, which can stimulate the production of antibodies. Based on the …
Blood is the fluid in living organism that transports oxygen and nutrients to the cells in the body. It consists of Red Blood Cells(Erythrocytes), White …
Prokaryotic Cell The simplest form of cell, prokaryotic cell is also the oldest form of life on the earth. Distinctively known for the cellular structure, …
Nervous tissue is made up of millions of nerve cells called neurons. The neurons are highly specialized cells which controls and co-ordinates the body activities …
Prokaryotic cells are different from eukaryotic cells in many different ways. These bases of differences are clearly mentioned in the following table. Basis of …
Charactersistics of White Blood Cells or Leucocytes Count – The number of leucocytes per microlitre of blood is called total leucocytecount (TLC). A normal adult …
The study of bone is known as Osteology. The bone connective tissue is highly calcified, solid, hard, rigid connective tissue. The matrix consists of an …
Evolved nearly 4 billion years ago, prokaryotic cell is the simplest form of cells which lack defined nucleus or membrane-bound nucleus as well as other …
Prokaryotic cell is one of the simplest forms of cell which makes up the unicellular microscopic organisms called acrhaea and bacteria. However, there are some …
More advanced and developed than the prokaryotic cell, eukaryotic cells are those which have true or membrane-bound nucleus along with other nucleus bound cell organelles. …
Eukaryotic cell are the developed, advanced and complex forms of cells. They are the building block or smallest unit of life of organisms as simple …
Prokaryotic cells are the earliest forms of lives on the earth and simples cells which evolved nearly 3.5 billion years ago. Almost 1.5 billion later, …
This tissue is mesodermal in origin. It is the most abundant body tissue. The cells forming the connective tissues are more widely separated from each …
Mitosis cell division is the type of cell division cycle in which chromosomes in a cell nucleus are separated into two identical sets of chromosomes, …