The process of separation and purification of expressed protein before marketing is called

(1) upstream processing

(2) downstream processing

(3) bioprocessing

(4) postproduction processing

Stirred-tank bioreactors have been designed for:

(1) purification of product

(2) addition of preservatives to the product

(3) availability of oxygen throughout the process

(4) ensuring anaerobic conditions in the culture vessel

Which of the following is not a component of downstream processing?

1. Separation

2. Purification

3. Preservation

4. Expression

Stirred-tank bioreactors have been designed for

1.  purification of product

2.  addition of preservatives to the product

3.  availability of oxygen throughout the process

4.  ensuring anaerobic conditions in the culture vessel