Cell

Structure of Living Cell Those who have life are living beings. Microorganisms, Plants and Animals have life, so they all are living beings. Cells are…

Lioyd’s theory: According to this theory guard cells manufacture sugar in presence of sunlight in the day time. In addition to that the stored starch…

Sayre’s theory: This theory was proposed by Sayre (1926). First of all, Lloyd stated that amount of sugar in GC increases during the daytime &…

Mitosis is a kind of somatic cell division in which the mother nucleus (n or 2n) divides into two daughter nuclei passing through a series…

Amitosis The process, by which a cell divides directly producing two daughter cells without following any intermediate stages like mitosis or meiosis, is called amitosis.…

Every chromosome essentially has a primary constriction or the centromere on the sides of which disc shaped structures called kinetochores are present (Figure). Based on…

Nucleus as a cell organelle was first described by Robert Brown as early as 1831. Later the material of the nucleus stained by the basic…

Centrosome is an organelle usually containing two cylindrical structures called centrioles. They are surrounded by amorphous pericentriolar materials. Both the centrioles in a centrosome lie…

Functions of lipid: Fats and oils (Triglyceroids): Fats and oils are stored in plant bodies as reserve foods They are received as food in oilseeds…

Here explain some common types of Lipid: Tri-glyceride (Fats & Oils): Tri- glyceride is a lipid, composed of fatty acid and glycerol. Triglyceride is formed…