Multiple choice

The product commercially produced by animal cell culture is

  1. insulin

  2. tissue plasminogen activator

  3. interferon

  4. hepatitis B vaccine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tissue plasminogen activator (tPA, option B) is a major commercial product from animal cell culture, specifically produced in CHO (Chinese Hamster Ovary) cells for treating thrombosis and myocardial infarction. While insulin (A) was historically produced in animal pancreas, modern recombinant insulin is produced in E. coli or yeast, not animal cell culture. Interferon (C) and hepatitis B vaccine (D) can be produced in various systems including yeast, bacterial, or mammalian cells, but tPA is the classic example of a large-scale animal cell culture product requiring proper post-translational modification.

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