Gene Regulation Discussion Term List Use the vocab terms listed below to fill in
ID: 211246 • Letter: G
Question
Gene Regulation Discussion Term List Use the vocab terms listed below to fill in the blanks Positive control Gene expression Operon Negative regulator (repressor) Inducible operon Promoter Positive regulator (activator) Negative control Transcription factor Inducer A. This constitutes part of a gene that encodes information for RNA polymerase: B. An activator and a repressor are examples of-Opro n - C. Regulation of leads to changes in cell functions, and in multicellular organisms can also lead to changes in cellular phenotype. D. In bacteria, related genes can be organized in units calledwhich are con- trolled by one E. are proteins that can bind to DNA, and alter gene expression. E Inhibition of a gene's expression, often called is due to the activ- ity of promoter of a gene or inhibit RNA polymerase from physically moving down the DNA strand. which can act to block RNA polymerase from accessing the G. Activation of a gene's expression, often called is due to the ac- tivity of a to attract RNA polymerase to the for the gene.Explanation / Answer
ANSWERS
A: PROMOTER: at promoter site, the RNA polymerase binds and statrs gene expression.
B: TRANSCRIPTION FACTORS: activators and repressor are the molecules, which decide transcription will take place or not.
C:GENE EXPRESSION: it leads to change in cell metabolism by switching on and switching off expression of proteins.
D: OPERON and PROMOTER: on epromoter controls an operon, which is an arrangement of genes
E: repressors
F: NEGATIVE CONTROL and REPRESOr: it inds tpo the site of RNA polymerase and thus RNA Polymrase is not able to bind with the promoter.
G. POSITIVE CONTROL; inducer, promoter
f.
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