How many letters are there in the English alphabet? Twenty-eight years ago, I was an inspector of schools with the Education Bureau (then Education Dept). One day, after observing a lesson, I chatted with the teacher, who complained that many of her students didnât even know âthe 24 lettersâ of the English alphabet. I smiled, faking understanding and agreement.
Carbohydrates or âcarbsâ are an energy source in food that comes from starch, sugar and cellulose. Carbohydrates provide vitamins, minerals, antioxidants and fiber in the diet. The current recommendations suggest 45 to 65 percent of daily calories come from these types of foods.arbohydrates or âcarbsâ are an energy source in food that comes from starch, sugar and cellulose. Carbohydrates provide vitamins, minerals, antioxidants and fiber in the diet. The current recommendations suggest 45 to 65 percent of daily calories come from these types of foods.
The human body is one of the most complex and fascinating things on this planet. There are five major groups of compounds that compose the human body. These are carbohydrates, lipids, proteins, nucleotides, and water.These compounds are all very important to humans and without them humans would not be able to survive.hemically, carbohydrates are organic molecules made up of carbon, hydrogen, and oxygen and are produced by green plants in the process of undergoing photosynthesis. A carbohydrate can be broken down into four different chemical groups: monosaccharides, disaccharides, oligosaccharides, and polysaccharides.