Chemistry Questions and Answers December 09, 2019

How much NaH2PO4 and Na2HPO4 must be mixed together to yield 6.5 litres of 1.5 M phosphate buffer at pH 7.00 Also, do for solutions of pHs 6.00 and 8.00?

An extract of adipose (fat) tissue can metabolize glucose to CO2. ?When glucose labeled with 14C in either C-1 or C-6 was added to the extract, 14CO2 was released with the time courses shown below. ?What is the major path of glucose oxidation in this extract? ?Explain how you reached this conclusion.

14c0 release 4C1Glucose C6Glucose Time

Which of the following structures shows the prevalent form of glutamic acid at pH 3?

H,N. . HN.

If glucose labelled with 14C in C-1 were fed to yeast carrying out the ethanol fermentation, where would the 14C label be in the products?