Ch. 13 Quiz

Question 1

What is the advantage of using yeast and Zymomonas during fermentation?

Answer 1

Zymomonas and yeast make only alcohol, but other microorganism generate a mixture of products.

Question 2

Which of the following best explains how pathway engineering is useful?

Answer 2

The conversion of plant-derived waste from paper manufacturing into alcohol used for fuel.

Question 3

How can the process of breaking down starch into sugar be improved?

Answer 3

By engineering an organism to produce higher levels and more stable enzymes

Question 4

Which of the following enzymes is not involved in the breakdown of cellulose?

Answer 4

Cellulase

Question 5

What are ice nucleation factors?

Answer 5

Specialized proteins in bacteria that provide a seed on which ice crystals are formed

Question 6

Which of the following is an example of a Second Generation Biofuel?

Answer 6

All of the above

• biodiesel
• ethanol
• bio-kerosene
• hydrogen

Question 7

Biodiesel is typically produced from ___.

Answer 7

Fats and oils

Question 8

Ice nucleation factors ___.

Answer 8

Are used to prevent ice formation on the surfaces of plants

Question 9

The advantage of using carbapenems to generate antibiotics is that carbapenems are ___.

Answer 9

Resistant to beta-lactamases and even act as inhibitors

Question 10

Which of the following is not associated with BacillaFilla?

Answer 10

Production of pyocin

Question 11

In designer bacteria, which of the following is produced by E. coli and specifically targets P. aeruginosa for destruction?

Answer 11

Pyocin S5

Question 12

What is the 4S pathway?

Answer 12

A set of reactions for the breakdown of DBT and removal of the sulfur

Question 13

How is the production of PHA being made more economical?

Answer 13

By engineering the PHA genes from A. eutrophus into the chloroplasts of Arabidopsis, and expression in plants