In fact, this butt-sniffing action is just one of many examples of chemical communication in the animal kingdom .. Of course, a dog's sense of smell is famously acute--10,000 to 100,000 times more acute than our own, according to the video.he answer to that question is a bit more complicated than you might imagine. According to a new video from the American Chemical Society (above), it's all about one canine literally sniffing out important information about the other--its gender, emotional state, diet, and more.
Valine. L-valine is a branched-chain amino acid (BCAA) . Other branched chain amino acids are isoleucine and leucine. Valine is an aliphatic amino acid that is closely related to leucine and isoleucine both in structure and function. Valine differs from threonine by replacement of the hydroxyl group with a methyl substituent.
Carbohydrates: Sugar, Starch, and Fiber. This article will cover the basics of carbohydrates (âcarbsâ) â what they are, why we need them, and which types are better for our health. Carbohydrates are organic compounds that contain single, double, or multiple sugar units. Simple sugars are only one or two sugar units long and are typically sweet tasting whereas complex carbohydrates are thousands of sugar units long and have a starchy taste.