Exam 30: A: Nutrition and Metabolism

The conversion of NADH back to NAD so that if can function in anaerobic respiration is called the Cori cycle.

Incretins are released by the pancreas into the small intestines in response to high glucose concentration in the chyme.

Fatty acids are broken down by a process of beta oxidation.

The citric acid cycle,the tricarboxylic acid cycle,and the Krebs cycle all refer to the same process.

Strong evidence supports the usefulness of vitamin supplements for athletic performance.

Nutrition can be defined in part as the process by which the organism ingests,digests,absorbs,transports,utilizes,and excretes food substances.

Some essential acids are used in the formation of prostaglandins.

Some essential acids are used in the formation of phospholipids.

All cells have basically the same metabolic rate.

When NADH gains energy,it becomes NAD.

Saturated fats are usually liquids at room temperature.

ATP is useful for the long-term storage of chemical energy derived from nutrients.

An evening meal is eaten at 6 PM.Nothing more is eaten until 8 AM.Glycogenolysis alone can maintain a normal blood sugar level between the two meals.

Free fatty acids released into the blood from adipose tissue are not actually free at all; they are attached to albumin in the blood.

Insulin comes from the beta cells of the pancreas.

Unsaturated fats are usually liquids at room temperature.

Muscle cells are able to break down glycogen and release the resulting glucose back into the blood.

The conversion of proteins to glucose is an example of gluconeogenesis.

The body has an almost equal ability to store fats and carbohydrates.

Essential fatty acids are not synthesized by the body and thus must be obtained from the diet.