Exam 6: Protein

Match the category of physiological proteins with their function. -immunoproteins

What is one of the more common ways to evaluate protein quality in a food that does not involve nitrogen balance studies?

Explain the concept of the first limiting amino acid in a protein and how this concept might be used to ensure adequate protein nutriture.

Carbamoyl aspartate can only be used for ____ synthesis.

In addition to protein synthesis,the brain uses amino acids for the synthesis of other N-containing compounds such as neurotransmitters.

Changes in hormone balance serve as the primary mechanism for adjustment to starvation.What changes occur and how do they facilitate adjustment to starvation?

Using two high-energy bonds,arginosuccinate synthetase joins aspartate and citrulline to produce arginosuccinate in the cytosol.This is the rate-limiting step in ____ synthesis.

When BCAAs are catabolized to their corresponding keto acid in muscle,the nitrogen must be transported directly to the kidney as glutamine.

Which protein does the FDA specify as a standard for comparison of protein quality?

What is meant by protein turnover? What general types of protein compounds are made in cells via protein synthesis? How do amino acid catabolism and dietary amino acids factor into protein turnover?

The Estimated Average Requirement for protein for adults (men and women aged 19 years and older)is ____

Name the genetic disease associated with the lack of the liver enzyme necessary to convert phenylalanine to tyrosine.

Explain why serum levels of ALT and AST are good indicators for trauma or disease,and specify which tissues relate to which aminotransferase.

Urea synthesis occurs partly in the mitochondria and partly in the cytosol of the ____.

Which amino acid,when oxidized,spares the essential gluconeogenic precursors pyruvate and lactate?

Zwitterions are amino acids that have no net electrical charge because ____.

Which two substances promote amino acid degradation?

Stimulation of phagocytosis and activation of complement proteins are functions of ____.

Match the category of physiological proteins with their function. -hormones

Match the amino acid to its precursor(s). -glutamine