B1 - Vitamin B1 or thiamine. Water soluble vitamin that fights beriberi. Main sources: rice cuticle, brewer's yeast and leafy green vegetables.
B12 - B12 vitamin. Water soluble vitamin comprising hydroxycobalamin cobalamines which is antineuritic and cyanocobalamin which is antianemic. Main sources: Fresh meat, liver, and kidneys.
B2 Vitamin B2 or riboflavin. Water soluble vitamin that aids in growth. Main sources: Vegetable frills, soy, milk and fruits.
B6 Vitamin B6 or pyridoxine. Water soluble vitamin that prevents acrodynia. Main sources: Leafy vegetables, cereals and milk.
Germplasm Bank - same as genetic bank. Genetic expression to designate an area of biological preservation with great genetic variability. By extension, any area reserved for the multiplication of plants from a seed bank or seedling, or laboratory where different seeds or genes are kept for several years.
Bacillus - Bacterium whose cell is rod-shaped.
Bacterium - Single-celled, prokaryotic, isolated or colonial organism belonging to the Monera kingdom.
Bacteriophila - Chlorophyll in certain bacteria.
Bacteriophage - Or phage; type of virus that reproduces inside bacteria.
Basidiomycetes - A class of fungi forming a fruiting body (basidiocorporus or mushroom), in which special hyphae for reproduction are found, the basidia.
Bentos - set of living beings that live restricted to the bottom of rivers, lakes, lakes or oceans
Biocenosis - balanced set of animals and plants from a community.
Biodegradable - substance that decomposes by the action of living beings.
Biodiversity - represents the set of living animal and plant species.
Biome - wide range of terrestrial ecosystems characterized by similar physiognomic vegetation types with different climatic types. It is the set of climatic ecological conditions and vegetation characteristics: the large ecosystem with its own fauna, flora and climate. The main world biomes are: tundra, taiga, deciduous temperate rainforest, rainforest, savannah, ocean and freshwater.
Biomass - amount of organic matter present at any given time in a given area and which may be expressed by weight, volume, area or number.
Biosphere - unique system formed by the atmosphere (troposphere), earth's crust (lithosphere), water (hydrosphere) and most all life forms. It is the set of all ecosystems on the planet.
Biota - set of living beings that inhabit a particular ecological environment, in close correspondence with the physical, chemical and biological characteristics of this environment.
Biotic - is the living component of the environment. Includes fauna, flora, viruses, bacteria, etc.
Biotype - group of genetically identical individuals.
Biochemistry - Study of chemical reactions that occur in living beings.
Bivitelino - two calves; of different calves. See brotherly.
Botulism - Disease caused by the bacterium Clostridium botulinon.
Bryophyte - Bryophyta Division. Plant without conductive sap system (avascular); eg, mosses, liverworts and antoceros.
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