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Questions and Answers
What is gene regulation?
What is gene regulation?
- The process of gene mutation
- The process by which the information encoded in a gene is turned into a functional product (correct)
- The degradation of genetic material
- The transportation of genes within a cell
How do bacteria respond to variations in nutrient availability?
How do bacteria respond to variations in nutrient availability?
- By modifying their gene expression pattern (correct)
- By altering their genetic material
- By decreasing their metabolic activity
- By increasing their mutation rate
What determines the enzymes expressed by bacteria?
What determines the enzymes expressed by bacteria?
- The pH of the environment
- The size of the bacterial population
- The temperature of the environment
- The carbon sources and other nutrients available (correct)
At what level is genetic regulation usually mediated?
At what level is genetic regulation usually mediated?
When must bacteria synthesize/induce lactose-metabolizing enzymes?
When must bacteria synthesize/induce lactose-metabolizing enzymes?
Gene regulation in bacteria is only controlled by changes in their genetic code.
Gene regulation in bacteria is only controlled by changes in their genetic code.
Bacteria modify their gene expression patterns in response to changing environments.
Bacteria modify their gene expression patterns in response to changing environments.
Bacteria synthesize lactose-metabolizing enzymes even when lactose is not present.
Bacteria synthesize lactose-metabolizing enzymes even when lactose is not present.
Genetic regulation mainly occurs at the level of transcription.
Genetic regulation mainly occurs at the level of transcription.
Gene expression is the process by which the information encoded in a gene is turned into a functional product.
Gene expression is the process by which the information encoded in a gene is turned into a functional product.
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