Which of the following food additives is introduced as a nutritional supplement?

Question

Which of the following food additives is introduced as a nutritional supplement?

A. Xanthan gum

B. Flavor enhancers

C. Amino acids

D. Preservatives

Which of the following foods is not produced via fermentation?

A. Sauerkraut

B. Nori

C. Salami

D. Yogurt

Name which segment of the Ti plasmid is introduced into a plant genome during transfection.

A. Cry proteins

B. Promoter

C. Lox P sites

D. T-DNA

Micropropagation means:

A. Mass production of commercially important plants using plant tissue culture

B. Transgenic offspring as a result of genetic modification

C. Antibiotic resistant genes insertion

D. Cre/Lox P system originated from E. coli

What is the benefit of engineering pathogen-resistant plants?

A. An entire plant can be regenerated from a single totipotent cell

B. A transgene can be turn on and off in every plant cell

C. It prevents millions of dollars in crop losses due to infection of crop species

D. The Ti plasmid can enter the plant cell similar to bacterial conjugation

______ is a method of inserting foreign genes into a plant.

A. Bacterial transformation

B. Transfection

C. Conjugation

D. Callus culture

A. Xanthan gum

B. Flavor enhancers

C. Amino acids

D. Preservatives

Explanation / Answer

1 - D) amino acids are used as a nutritional supplement

2 - B) Nori is not a fermented food, it is an edible seaweed.

3 - D) T-DNA was introduced into plant genome during transfection.

4 - A) Micropropagation means mass production of commercially important plants using plant tissue culture.

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