Peroxisomes: Notes on the Origin and Structure of Peroxisomes! In addition to lysosomes, a group of smaller particles than mitochondria and lysosomes are found in liver cells. These particles are rich in the enzymes peroxidase, catalase, D-amino acid oxidase and to a lesser extent, urate oxidase and are called peroxisomes. […]
Read this article to get information about the Compact and Saccular types of Ovaries! Oogenesis, formation of female gametes i.e. ova or eggs, occurs in the female gonads, the ovaries. Except birds all vertebrates have paired ovaries (bird have single ovary to reduce body weight—a flight adaptation). The shape and size of ovaries are most variable in different vertebrate species. [...]
Cancer Cells: Useful Notes on Cancer Cells! Cancer cells are characterized by an uncontrolled cell growth, invasion of other tissues, and dissemination to other sites of the organism producing secondary tumors. All these characteristics suggest that cancer cells have escaped from the controls that regulate normal growth. Cancerous tumors are monoclonal, i.e., derive from the division of a single cell, [...]
