We have revealed that molecular switches activate protein gears, which, in turn, move, and generate behavior. Now the big question concerning the secret of life is, “Who or what turns on the switch? To turn the switch, we introduce… the signal.
Cuireann comhartha ó thimpeallacht na cille na giaranna, an mótar, an lasc agus an tomhsaire ag gluaiseacht.
An Comhartha: Is ionann comharthaí agus fórsaí comhshaoil a aistríonn an mótar ar siúl laistigh de chill agus a chuireann faoi deara giaranna próitéine a bhogadh. Léiríonn comharthaí faisnéis fhisiceach agus fhuinniúil araon a chuimsíonn an domhan ina mairimid. Léiríonn an t-aer a análaimid, an bia a ithimid, na daoine a dteagmháil linn, fiú an nuacht a chloisimid - comharthaí comhshaoil a ghníomhaíonn gluaiseacht próitéine agus a ghineann iompar. Dá bhrí sin, nuair a úsáidimid an téarma timpeallacht in our discussion, we mean everything from the edge of our own skin to the edge of the Universe. This is environment in the truly large sense.
Each protein responds to a specific environmental signal with the intimacy and accuracy of a key fitting into its matching lock. The coupling of a protein molecule with a complementary environmental signal causes the protein molecule to change its shape, which, by its nature, is expressed as movement. The cell harnesses these molecular movements to drive its life-providing protein pathways, such as respiration, digestion, muscle contractions, and others. Protein movement animates the cell, bringing it to life.
Conclúid Bitheolaíochta Nua-Imeall # 2
Cuireann comharthaí timpeallachta faoi deara go n-athraíonn próitéiní cruth; cruthaíonn na gluaiseachtaí mar thoradh ar fheidhmeanna na beatha.