Exam 3: Carbohydrates

Glycogenolysis in muscle cells provides glucose that can be transported through the bloodstream.

The poison,sodium cyanide,inhibits the enzyme cytochrome c oxidase.Why is ingestion of this poison usually fatal?

In which cellular site is most of the energy released when carbohydrates are oxidized to carbon dioxide and water?

Glucose phosphorylation in the liver is catalyzed by ____.

After hydrolysis of triacylglycerols stored in adipose tissue,free glycerol in the blood is converted in the liver to glucose via glycogenolysis.

The second most abundant food sources of carbohydrates are ____.

The occurrence of a molecule in different spatial configurations is ____.

Match the enzymes with the pathway in which they function in carbohydrate metabolism. -branching enzyme

Which of the following homopolysaccharides made of glucose contributes the most energy to the ordinary diet?

Often you will hear the statement,"Insulin is important for the uptake of blood glucose by all tissues." What is wrong with this statement? Be specific.

According to the USDA data for the years 1970-2010,which food source is the most abundant macronutrient (by weight)in the American diet?

The purpose of the pentose phosphate pathway is to generate ribose,for nucleic acid synthesis,and NAD,for oxidizing power.

α-dextrinase is also called ____.

Which sugar is not present in the systemic circulation due to efficient removal by the liver?

Glycolysis is a process involving ____.

The Cori cycle would be active under anaerobic conditions,such as excessive muscle exertion.

Fructose transport into the enterocyte relies on the facilitative transporter GLUT5.

Discuss why sucrose,ordinarily an easily digested carbohydrate,might present problems of flatulence and diarrhea in individuals with severe inflammatory bowel disease.

Chiral carbon atoms have ____.

The enzyme needed to hydrolyze the α (1,6)bond of amylopectin is ____,which is secreted by the ____.