Phagocytosis

Phagocytosis is an endocytosis process where the extracellular particle is ingested by phagocytes. The specialized cells actively involve in phagocytosis are monocyte, macrophage, neutrophil and dendritic cell. Phagocytosis process Phagocyte… Read more »

DNA

DNA

Nucleic acid Nucleic acid is polynucleotide. Nucleotide is the building block of nucleic acid. There are two types of nucleic acids: DNA and RNA (ribonucleic acid). Nucleotide Nucleotide consists of… Read more »

Mitosis

Mitosis is a process where the cell divides and the daughter cells have the same number of chromosomes with the parent cell. Mitosis occur in somatic cells. Mitosis plays an… Read more »

cell, immunology, white blood cell

Cells of Immune System

Lymphocytes are the central cells of the immune system. Lymphocytes responsible in adaptive immunity which contribute in diversify, memory, specificity and self and non self recognition. White blood cells also… Read more »

HIV and AIDS

AIDS is constellation disorder from HIV (human immunodeficiency virus) infection. The HIV virus cripples human immune system and cause body more susceptible to various rare infectious disease. This is so… Read more »

Mutation

Mutation is an unpredictable, random and spontaneously changes in genetic material.¬†Different alleles of a gene contain slightly different sequence of base. It is caused by several environmental factors: Ionizing radiation… Read more »