AIDS disease is caused by the human body by the attack of a virus named HIV (Human Immune Deficiency Virus). This virus destroys white blood cells, causing obstacles in antibody formation, which results in the gradual shortage of white blood cells and antibodies. In the human body, this virus can remain dormant for a long … Read more
Biological information based on computer technology, for example, information on the analysis of cancer.
Vascular tissue is known as conducting tissue, formed of more than one cell type, found in vascular plants. The primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and nutrients internally.
A ductless gland of the body that produces hormones and secretes them directly into the bloodstream, is known as the endocrine gland.
Sclereids are hard, short, isodiametric, or sometimes long and star-shaped sclerenchyma cells found mostly in the cortex, fruits and seed shells of gymnosperm, etc.
The main function of mitochondria is to help an organism produce energy from food through cellular respiration. A series of biochemical reactions of Kreb’s cycle occurs on the mitochondria of a cell. Another series of biochemical reactions occur through the electron transport chain, a series of electron carriers in the inner membrane of mitochondria. In … Read more
Adulterants are harmful chemical substances added to the food for color, taste, smell, and preservation purposes. Commercial colors, antibiotics, chemicals (carbide, formalin, heavy metal) are used vigorously in the foods of Bangladesh. These adulterant foods are injurious to health. The colors used in foods are not food grade at all, these destroy liver function and … Read more
A chromosome in which the centromere is located quite near one end of the chromosome is called an acrocentric chromosome.