The octopus is an invertebrate animal from the phylum Mollusca (soft-bodied animals, which may or may not be protected by a shell), and within this from the class Cephalopoda. It occurs in marine environment, and has a wide distribution – it can be found in tropical and temperate regions and at different depths. The common […]

Parasitology is the branch of biology that studies parasites, their characteristics, their way of life and diseases or parasitic infections caused by them.

Discription of the pineapple fruit, its caracteristics and several uses of this fruit…

Population Genetics definition Population Genetics refers to the branch of Genetics that studies the genetic constituent of a population. It focuses specifically on hereditary alterations that occur in a population, in time and space. And tries to develop an evolutionary theory that explains and predicts such changes. Objectives of Population Genetics Population Genetics is responsible […]

The order of Primates is a group of Mammals which includes animals such as lemurs, gibbons, gorillas, chimpanzees, and among others, man. In this group of animals we can find species like the pygmy mouse-Lemur, which on average weighs about 50g, and gorillas, which can weigh about 175kg. They have relatively large brains, a sharp […]

Concept of Prophase The term prophase designates one of the subphases of mitosis, characterized by the reorganization of the cytoskeleton, migration of centriole to opposite cell poles, the appearance of the mitotic spindle, condensation of chromosomes, fragmentation of nuclear envelope and disappearance of the nucleolus. Cell Cycle The cell cycle is the basis of all […]

Proteasome Concept The term Proteasome refers to a protein complex present in the cell cytosol that has proteolytic activity. It is in this complex where proteins are degraded. Cell and Proteasome During its life cycle, the cell needs to express innumerable proteins, since they are responsible for its most varied mechanisms and functions. Proteins are synthesized […]

A pure line is a population that originates through inbreeding or self-fertilization, descendants always equal to each other and to the progenitors […]