In the 1960's the molecular biologist george streisinger developed the strand-slippage hypothesis. streisinger noticed that mutations occurred in areas of dna that contained many repeated sequences. when a strand-slippage error occurs, an insertion mutation can result. how does the insertion mutation affect the dna

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.