1. Which of the following qualities is most frequently used to measure the amount of a substance in a solution? A. weigh

[answerhappygod]

1. Which of the following qualities is most frequently used to measure the amount of a substance in a solution?
A. weight
B. shape
C. size
D. density
E. light absorbance
__________________________________________________________________________________
2. Which of the following could NOT be considered components of tertiary structure?
A. alpha-helices
B. beta-sheets
C. multiple polypeptide chains
D. disulfide bonds
E. hydrogen bonds
__________________________________________________________________________________
3.. ELISA is most similar to which of the following?
a. electrophoresis
b. centrifugation
c. chromatography
d. dialysis
e. immunoprecipitation