Please answer the whole questions! Thanks! 1. The promoter of a gene A. is the a
ID: 177904 • Letter: P
Question
Please answer the whole questions! Thanks!
1. The promoter of a gene
A. is the advertising wing of a biotech company.
B. controls when and where the gene is turned on.
C. codes for the correct order of amino acids in a protein.
D. is a nutritional supplement to boost gene expression.
2. The herbicide glyphosate kills plants by
A. inhibiting photosynthesis.
B. dissolving cell membranes.
C. inhibiting aerobic energy processing.
D. inhibiting an enzyme needed to synthesize certain amino acids.
3. The herbicide glyphosate
A. is not toxic to humans in the same way as it is to plants because we lack the EPSPS enzyme.
B. is equally toxic to humans as it is to plants because we have the EPSPS enzyme.
C. is not toxic to humans in the same way as it is to plants because we have the EPSPS enzyme.
D. is equally toxic to humans as it is to plants because we lack the EPSPS enzyme.
4. The transgene used to make glyphosate resistant corn (Round Up Ready corn) was
A. a tomato gene for EPSPS.
B. a bacterial gene for EPSPS.
C. a human gene for EPSPS.
D. a viral gene for EPSPS.
5. The goal of the "golden rice" genetic engineering project was
A. to enhance the aesthetic value of rice, by inserting genes for yellow pigments.
B. to increase the nutritional value of rice by inserting genes for beta-carotene synthesis.
C. to allow farmers to switch to environmentally kinder herbicides, by inserting genes for herbicide resistance.
D. to reduce the need for applications of chemical insecticides to rice crops, by inserting genes for insecticide production.
6. AquAdvantage salmon have been engineered with a gene for _____ that makes them _____.
A. beta-carotene synthesis . . . a better source of vitamin A
B. a fish growth hormone . . . grow faster
C. an enzyme . . . able to detoxify pollutants in sea water
D. omega 3 fatty acid synthesis . . . more nutritious
Explanation / Answer
1. Promoter is a nutritional supplement to boost gene expression.
2. Glyphosate kills plants by inhibiting an enzyme needed to synthesize certain amino acids.
3. Is equally toxic to humans since we lack EPSPS enzyme.
4. A bacterial gene for EPSPS
5. TO increase the nutritional value by inserting gene for beta carotene synthesis.
6. Fish growth hormone.. grow faster