The propionic acid is a saturated fatty acid short chain comprising ethane bonded to the carbon of a carboxy group. Its formula is CH 3 -CH 2 -COOH.The CH3CH2COO- anion as well as the salts and esters of propanoic acid are known as propionates (or propanoates). It can be obtained from wood pulp residues by
The combustion reactions are a type of chemical reactions that occur when a hydrocarbon reacts with oxygen to produce carbon dioxide and water. In simpler terms, combustion is a reaction between a combustible material and an oxidant. Combustion reactions, like all chemical reactions, are irreversible. Also, they are exothermic, which means that they release heat.
Mass extinctions are events characterized by the disappearance of a large number of biological species in a short time. This type of extinction is usually terminal, that is, a species and its relatives disappear without leaving offspring. Mass extinctions differ from other extinctions by being abrupt and by eliminating large numbers of species and individuals.
The muscarinic receptors are molecules that mediate the actions of acetylcholine (ACh) and are located in the postsynaptic membrane of synapses in which said neurotransmitter is released; its name comes from its sensitivity to the muscarine alkaloid produced by the Amanita muscaria fungus . In the central nervous system there are several neuronal assemblages whose
The phrases Bernardo Stamateas seek to increase confidence in those who read. Bernardo Stamateas is a psychologist, lecturer and writer of Argentine nationality. In his posts, he reveals many important phrases about social criticism, success, self-esteem, achievements, goals, envy, happiness, and other topics. His best known book is Toxic People . You may also be
The ethnobotany is the scientific discipline that is responsible for the systematic and multidisciplinary study of the multiple relationships (past and present) that set humans with plants. These relationships are studied within the cultural context of social groups that use plants for the cure of various ailments and diseases. The ethnobotanical studies of plants can