Describe the function and the functional components of the maltose regulon system

What will be an ideal response?


Answer: The textbook shows each component of the maltose regulon in Figure 7.9, where the activator binds to the operator only when the inducer is present and bound to the activator. RNA polymerase can then bind to the promoter region to transcribe the structural genes into mRNA.

Biology & Microbiology

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If allele W has a frequency of 0.6, and allele w has a frequency of 0.4, what is the predicted frequency of heterozygous offspring?

a. 0.36 b. 0.24 c. 0.48 d. 0.16

Biology & Microbiology

Which reservoir holds the largest volume of Earth’s water? a. groundwater b. rivers c. lakes d. atmosphere e. polar ice

Biology & Microbiology

Once ligand molecules bind to receptors in coated pits of a plasma membrane, the next step of receptor-mediated

endocytisis would be: a. coating detaches from vesicle b. coated vesicle forms by endocytosis c. ligands separate from receptors, which are recycled d. contents of secondary lysosome are digested and released into the cytosol e. endosome fuses with primary lysosome, forming secondary lysosome

Biology & Microbiology

Epstein-Barr virus has the following characteristics, except

A) It has a 30-50 day incubation period B) It multiplies and is latent in the parotid gland C) It is transmitted by direct oral contact and saliva D) It infects the respiratory epithelium E) It can be transmitted by contaminated blood transfusions and organ transplants

Biology & Microbiology