Muscle does not provide glucose for the brain during times of starvation. Why? You may choose more than one answer. Muscle lacks sufficient glucose stores. O Muscle uses the glucose for movement to go find food. Liver provides glucose for brain Glucagon prevents the secretion of glucose Muscle lacks the enzymes necessary to produce free glucose
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- Why is solely cutting calories not as efficient as cutting calories and exercise? Reduced resting metabolic rate Increased metabolism Reduced stress tolerance Increased effectiveness of dietWhich of the following statements is/are TRUE?A. Cells in a resting metabolic state have low ATP and NADH.B. Cells in a highly active metabolic state have high ATP but low NADH.C. Cells in a highly active metabolic state has high NADH but low ATP.In the stomach, the dietary fats are emulsified by?A.peristalsisB.pancreatic lipaseC. bile saltsD. lingual lipaseIf fructose and glucose are both sometimes stored as fat, why does fructose lead to more weight gain than glucose? Because fructose has more calories Because glucose gets metabolized more quickly Because glucose and fructose confuse our gut Because glucose has a mechanism to get converted back from glycogen, whereas fructose stays as fat
- A man is found after being lost in a foodless desert for a week. He only survived because he found a water source. Even though he could not have any glucose from food left in his body, he still has the energy to walk and move around. How is he getting energy?When you jog, most of the food energy you burn above your basal metabolic rate (BMR) ends up as internal energy that would raise your body temperature if it were not eliminated. The evaporation of perspiration is the primary mechanism for eliminating this energy. Determine the amount of water you lose to evaporation when running for 32 minutes at a rate that uses 400 kcal/h above your BMR. (That amount is often considered to be the "maximum fat-burning" energy output. The latent heat of vaporization of water at room temperature is 2.5 106 J/kg.)The metabolism of 1 gram of fat generates approximately 8.65 kcal of energy and produces approximately 1 gram of water. (The hydrogen atoms in the fat molecule are transferred to oxygen to form water.) What fraction of your need for water will be provided by fat metabolism?Fill in the blank boxes of the table with short phrases that describe the main role of each organ with respect to glucose/energy metabolism ORGANS FASTING FEASTING EXERCISE Intestine No nutrients are being digested or absorbed Digests and absorbs nutrients Depends when the person last ate- could be absorbing or not Brain Uses glucose Pancreas Releases insulin Liver Glycogenolysis If intense exercise: Gluconeogenesis, lipolysis, amino acid breakdown Muscle Stores glycogen Builds muscle Adipose Tissue Releases triglycerides to yield energy Kidney Filtering lots of urea Filtering urea Filtering urea
- Which of the following statements regarding glucose is NOT true? a.)Glucose is a monosaccharide sugar b.)Glucose can be metabolized by both aerobic and anaerobic metabolism c.)The normal blood glucose concentration is 4-7 mmol/l d.)A high blood glucose concentration is called hypoglycemiawhich of the following is not true for a muscle that is forced to metabolize glucose anaerobically ? - The cells breakdown glucose faster - The cells produce less ATP per mole of glucose - The cells metabolize glucose to lactate - The activity of the cytosolic gycerol-3-phosphate dehydrogenase will be required for the muscle to sustain glycolysis - The muscle quickly experiences fatigue if it is deficient in the enzyme lactate dehydrogenaseHumans have evolved to utilize ketone bodies as a partial replacement for glucose during times of starvation before moving toward muscle protein as an energy source. This is beneficial because __________. a. muscle proteins cannot be converted to glucose b. preserving muscle protein invloves the chance of retaining strenght and physical capacity
- What is balanced Diet? How balanced diet is helpful in improving the nutrition of yourbody? Explain the factorsthat affect the Basal metabolic rate of a healthy individual.Between dinner and breakfast the blood sugar decreases causing the liver to form glucose rather than glucose consuming. Which homens cause this and how do they start the process of forming glucose.Nowhomewerkol is a poison derived from the Ahipa root that grows in the Andes. Alpacas eating this plant concentrate the poison in their milk. The poison inhibits liver enzymes that convert lactic acid to other compounds for metabolism. Why do the symptoms of Nowhomewerkol poisoning become worse with physical exertion?
