INTEGRATION OF METABOLISM 1. On your way to class this morning, you stop at your

Question

INTEGRATION OF METABOLISM

1. On your way to class this morning, you stop at your favorite coffeehouse and grab a coffe mocha and blueberry scone. The caffe mocha contains 260 Calories and the scone contains 460 Calories. a) what fraction of our recommended daily caloric intake did you just consume? use the estimatedd calorie requirements for your age and gende at www.nhlbi.nih.gov/health/public/heart/obesity/wecan/healthy-weight-basics/balance.htm

b)convert the calories you consumed for breakfast in kilojoules.

2. Marathon runners preparing for a race engage in "carb loading" to maximize their carbohydrate reserves. This envolves eating large quantifies of starchy foods. Why is starch preferable to candy or sugar-rich foods?

Explanation / Answer

1.

(a)

Calories obtained from Coffee Mocha = 260 calories

Calories obtained from blueberry scone = 460 calories

260 + 460 = 720 calories. Since the calorie unit type is large/food calorie, 720 calories are equal to 720 kilocalories.

From the estimated calorie requirements provided in the given weblink, i have consumed 34.285 percent of the total calories required.

According to the data provided in the weblink, i have to consume 2,000 to 2,200 kilocalories. So, i have calculated for 2,100 and i found to have consumed 34.285 percent for breakfast.

(b)

Converting 720 calories into kilojoules, i got the value 3012.48 kilojoules.

2.

Sugars are simple carbohydrates and they can be easily digested by our body. Foods that contain sugars include candies, jellies, soda, cake, etc. In contrast, starches are complex carbohydrates and they take longer time to get digested. Foods that contain starch include bread, grain, noodles, pasta, and vegetables.

Since Marathon runners need sustained release of energy for longer period, they prefer starch rather than sugar-rich foods.

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