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Carbohydrates

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Metabolism of Carbohydrates and Exercise

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Cellulose contains beta 1,4 glycosidic linkages as well as intramolecular hydrogen bonds. This allows cellulose to:

While glycogen and starch consist of long chains of alpha 1,4 glycosidic linkages, the branching points on these molecules are formed through:

What is an epimer?

Why is the chair conformation the most stable structure that glucose and other six-membered rings can adopt?

Why is sucrose an excellent preservative?

What is lactose intolerance?

Maltose is a dissacharide consisting of what two simple sugars?

After a meal, why do levels of insulin rise?

How does the liver respond to increases of insulin in the bloodstream?

What is the function of the hormone glucagon?

What is gluconeogenesis?

What are sources of gluconeogenesis?

What happens when fasting is prolonged for more than a day?

A friend of yours goes on a low carbohydrate, high protein diet in order to lose weight. Why is he experiencing headaches and fatigue?

Which of the following is a type of nutritive sweetner?

What is the primary priority of metabolism?

Dietary fiber serves all of the following functions except:

How do the diverticula in the large intestine become inflamed?

How is the level of insulin controlled by the intake of dietary fiber?

Glucose is metabolized for energy in what order?

An athlete takes a new supplement before a basketball game that inhibits the enzyme lactate dehydrogenase in the liver. How do you expect him to perform?

Your father decides to grab a quick bite to eat before he plays a pick-up game of basketball with his friends. You try to tell your dad to eat after the game but he doesn't listen. What do you expect to happen to your father during the game?

Your friend has lost a lot of weight in the last month by going on a very low calorie diet. She prefers dieting instead of exercise. Why is it likely she will gain the weight back after she goes off the diet and begins eating normally?

Low carbohydrate diets will slow down metabolism.

The ratio of glucagon to insulin must be high in order to burn fat effectively.

Oxaloacetate is a four-carbon molecule that is formed through the breakdown of fatty acids and is required for the Citric Acid Cycle.

The Cori cycle allows the liver to assume part of the metabolic burden for working muscle.

Meals high in fats inhibit gastric emptying.

Most of the energy consumed by working muscles comes from glucose in the blood that is absorbed after a meal.

Phosphofructokinase is an enzyme that regulates the metabolism of glucose during glycolysis.

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