Biochem Exam 1 Questions With 100% Accurate Solution Update A+ Review

Biochem Exam 1 Questions With 100% Accurate Solution Update A+ Review A mixture of lipids was isolated and saponified. The products of the reaction included stearate, palmitate, oleate, linoleate, linolenate, glycerol, phosphate, and choline. Which of the following was in the original lipid mixture. A. triacylglycerols B. sphingomyelins C. plasmalogens D. phosphatidylcholines E. waxes - Correct Answer->B. sphingomyelins Arachidonic acid is the precursor for all of the following EXCEPT: A. prostaglandins B. eicosanoids C. steroids D. thromoboxanes E. leukotrienes - Correct Answer->C. steroids ____________ is a homopolysaccharide that provides a source of dietary fiber. A. amylose B. amylopectin C. cellulose D. dermatan E. glycogen - Correct Answer->C. cellulose The glycosidic bond(s) between glucose units in amylopectin are: A. alpha (1-->4) B. beta (1-->4) C. alpha (1-->6) D. A&C E. all of the above - Correct Answer->D. A&C Which of the words provided best describes the molecule shown? A. aldohexose B. aldopentose C. ketohexose D. ketopentose E. D-fructose - Correct Answer->C. ketohexose What class of saponifiable lipid is NOT amphipathic? A. ether lipids B. gangliosides C. phosphoglycerides D. sphingomyelins E. triacylglycerols - Correct Answer->E. triacylglycerols When an aldohexose in the linear form undergoes mutarotation the resulting organic functional groups is a CONTINUES...