Exam 24: Lipid and Amino Acid Metabolism

Pyruvate is converted into alanine by a hydrolase enzyme.

Which of the following has the highest energy density (calories/gram)?

Phenylalanine is derived from tyrosine by oxidation.

Which of the following processes is important when new amino acids are synthesized in the body?

The density of a lipoprotein increases as the _____ content increases.

Glucose contains more energy per gram than a fatty acid.

The biosynthesis of fatty acids occurs in the ____ of the cell.

Phenenylketonuria (PKU)is a genetic disorder where an individual is unable to produce the enzyme phenylalanine hydroxylase.This results in the inability of the body to convert phenylalanine to what substance?

The synthesis of amino acids and the intake of amino acids are both important in order to replace cells lost from cellular death caused by either old age of the cells or disease.

Nutritionists suggest that a healthy diet be low in fats and high in carbohydrates.

Consider the following reaction. What would be the nitrogen containing product?

The processes of fatty acid degradation and fatty acid synthesis are the chemical reverse of each other and respond to stress as predicted by Le Châtelier's principle.

Glycerol can be converted to _____ .

Since studies have shown that omega-3 fatty acids provide a wide range of health benefits,persons should consume a much of them as possible each day.