Hydrochloric acid is a strong acid (fully dissociates when dissolved in water due to the polar covalent bond)
It is a very stable molecule
It is highly reactive with metals and with oxidising agents such as organic materials, alkalis, water etc.
Can be extremely corrosive if solution is concentrated.
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells.
Greenhouse gasses have increased due to carbon emissions and the amount of fossil fuels that humans are burning and releasing into the atmosphere. These gasses are keeping earths heat trapped, causing global warming/ climate change.
Answer:
Un grupo de evolucionistas moleculares de los Institutos Nacionales de la Salud (NIH, en Bethesda, Estados Unidos) acaba de concluir que LUCA, el organismo primitivo del que provienen todos los seres vivos actuales -sean microbios, gladiolos o seres humanos- era una bacteria de vida autónoma con 572 genes.
