#Question id: 119
#XL - Q Biochemistry
Tay-Sachs disease is the result of a genetic defect in the metabolism of:
#Question id: 123
#XL - Q Biochemistry
Which would you expect for the fatty acyl chains of the membrane phospholipids of bacteria grown at low temperature?
#Question id: 124
#XL - Q Biochemistry
What is the role of cholesterol in animal cell membranes?
#Question id: 148
#XL - T Zoology
The pKa of a certain weak acid is 4.0. Calculate the ratio of proton acceptor to proton donor at pH 7.0.
#Question id: 149
#XL - T Zoology
The pKaʹs of the side chain group and the α-carboxyl group of glutamate are 4.1 and 2.1, respectively. Which statement accounts for this difference?
#Question id: 150
#XL - T Zoology
How do the pKa values of an ionizable side chain compare when the amino acid is free versus when it is in a polypeptide chain?