Discussion
Home ‣ Biochemical Engineering ‣ Enzymes and Application Comments
- Question
Which of the following mainly serve to convert starch into high fructose corn syrup (HFCS)?
Options- A. ?-amylase
- B. Gluco-isomerase
- C. Gluco-amylase
- D. all of these
- Correct Answer
- all of these
- 1. Trichoderma ?-glucanase is reported
Options- A. to stabilize mashing
- B. to convert taste fractions of dextrins to fermentable sugars in beer
- C. to convert starch to dextrin
- D. all of the above Discuss
- 2. ?-amylase is
Options- A. endoenzyme
- B. exoenzyme
- C. saccharifying enzyme
- D. both (b) and (c) Discuss
- 3. Enzymes act as antimicrobials
Options- A. by depriving an organism of a necessary metabolite
- B. by generating a substances toxic to the organism
- C. by attracting a cell wall component
- D. all of the above Discuss
- 4. Milk digestibility is improved by using
Options- A. RNase
- B. lactase
- C. ?-amylase
- D. none of these Discuss
- 5. Lysozyme is naturally present in
Options- A. egg white
- B. bacteria
- C. tears & milk
- D. all of these Discuss
- 6. Chymosin hydrolyses the bond between
Options- A. Alanine and glycine
- B. Phenyl alanine and methonine
- C. Glutamic acid and alanine
- D. Alanine and phenyl alanine Discuss
- 7. Liquefaction of starch to dextrin is carried out by
Options- A. ?-amylase
- B. cellulase
- C. pectinase
- D. all of these Discuss
- 8. The enzyme used to reduce bitterness of grapes commonly contains
Options- A. ?-L-rhamonosidase
- B. ?-d-glucosidase
- C. ?- galactosidase
- D. both (a) and (b) Discuss
- 9. The increased air flow rate in bubble column fermenter can cause excessive foaming and high retention of air bubbles in the column which
Options- A. decreases the productivity of the fermenter
- B. increases the productivity of the fermenter
- C. modestly increases the productivity of the fermenter
- D. does not affect on the productivity Discuss
- 10. The maximum specific growth rate of an organism depends on
Options- A. medium composition
- B. temperature
- C. pH
- D. All of these Discuss
Enzymes and Application problems
Search Results
Correct Answer: to stabilize mashing
Correct Answer: both (b) and (c)
Correct Answer: all of the above
Correct Answer: lactase
Correct Answer: all of these
Correct Answer: Phenyl alanine and methonine
Correct Answer: ?-amylase
Correct Answer: both (a) and (b)
Correct Answer: decreases the productivity of the fermenter
Correct Answer: All of these
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