BIO 1040 Questions with Complete Solutions

Famine was common. Human bodies evolved to hoard energy in the form of fat to get through times when food was scarce. Correct Answer-Why do humans weigh more than in the past? Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose Correct Answer-How does the body use the energy in food? Obese Correct Answer-Having 20% more body fat than is recommended for one's height, as measured by a body mass index equal to or greater than 30. Body mass index Correct Answer-estimates body fat based on height and weight calories (c) Correct Answer-the amount of energy required to raise the temperature of 1 g of water by 1°C Glucose Correct Answer-most common source in living organisms