Although gene expression in eukaryotes can take place at multiple levels. The most common level of gene expression would be:
 
1.  transcriptional level (formation of the primary transcript)
2. processing level (regulation of splicing)
3. transport of mRNA from the nucleus to the cytoplasm
4. translational level
Subtopic:  Gene Regulation: Introduction | Gene Regulation in Eukaryotes |
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Which of the following is likely if there is a mutation in the lacY gene of the lac operon in E.coli?

1. The lac genes would be expressed efficiently only in the absence of lactose.
2. The lac genes would be expressed efficiently until the lactose supply in the cell is exhausted.
3. The lac genes would be expressed continuously.
4. Expression of the lac genes would cease immediately.

Subtopic:  Gene Regulation: Introduction |
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What catalyzes the peptide bond formation in prokaryotes?
1. Proteases
2. A ribozyme
3. Sigma subunit of RNA polymerase
4. Rho factor proteins

Subtopic:  Gene Regulation: Introduction |
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