In this early work, however, the activating effects of the natural ligand, acetylcholine, were not measured and, also, atropine apparently only partially inhibited the receptor. In the current paper, therefore, we recloned this receptor (named A-type mAChR) and found that the cDNA sequence published in Shapiro et al.
At an early age we learn that the color of the water in our lakes, rivers and ponds is blue, but we expect the water in our drinking glass to be clear. When homeowners discover their home drinking water has a slight blue tint, itâs cause for concern. Blue or blue-green water likely means it contains copper.
A common misconception is that the ocean is blue due to the reflections from the sky on its surface. This is not true, but was believed to be so decades ago. The real reason the ocean is blue is because water, pure water, is blue. Yes, according to its frequency spectra, water is a very light shade of turquoise blue.But you need a huge amount of it to really see its color.his is not true, but was believed to be so decades ago. The real reason the ocean is blue is because water, pure water, is blue. Yes, according to its frequency spectra, water is a very light shade of turquoise blue. But you need a huge amount of it to really see its color.