Around 40% of cats with white fur and blue eyes are deaf. the gene responsible is pleiotropic. what does this mean?

they deliver oxygen to the blood

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.