According to cell theory all cells carry out functions needed to sustain life that means all cells must contain

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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.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse