Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the operator to the far end of the operon, past the transacetylase (lacA) gene, which of the following processes would likely occur when the cell is exposed to lactose?

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#Question id: 22024

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the statements regarding competitive inhibition are given below

a)  The effect of a competitive inhibitor depends on the inhibitor concentration, the substrate       concentration and the relative affinities of the substrate and the inhibitor for the enzyme.

b) if the substrate concentration is low, the degree of inhibition will be great.

c) the substrate concentration is high, then the degree of inhibition will be marked low

d) non-competitive inhibitor can combine with an enzyme molecule to produce a dead-end complex

Choose the incorrect statement

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#Question id: 3987

#Unit 3. Fundamental Processes

A regulon is a(n):

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#Question id: 1921

#Unit 4. Cell Communication and Cell Signaling

In Burkitt's lymphoma, a vaccine against which of the following might prove useful?

TLS Online TPP Program

#Question id: 11866

#General Aptitude

The product of two numbers is 216. If the HCF is 6, then their LCM is

TLS Online TPP Program

#Question id: 5024

#Unit 11. Evolution and Behavior

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?