Which of the following statements is true: Question 16 options:

Which of the following statements is true:

Question 16 options:

b) 

There is a positive correlation between cell DNA yield and trans-hydroxy methylbiotin concentration

c) 

In 2007, worldwide annual production of citric acid was over a million metric tons

d) 

Biomass-derived insoluble proteins include starch, hemicelluloses, and cellulose

e) 

Changzhou Changmao Biochemical Engineering Co. Ltd. specializes in manufacturing C-4 series organic acids such as p-Toluenesulfonic acid