Which of the following signal molecules established parasegmental periodicity in drosophila?

a. Wingless

b. Hedgehog

c. Engrailed

d. Smoothened

TLS Online TPP Program

#Question id: 2657

#Unit 2. Cellular Organization

In Lac-operon, the gene product of LacA gene is

TLS Online TPP Program

#Question id: 2658

#Unit 2. Cellular Organization

This condition in lac operon facilitates the condition of lac genes being transcribed at high levels

TLS Online TPP Program

#Question id: 2659

#Unit 2. Cellular Organization

The correct option regarding the lac operon in E.coli from the following is

TLS Online TPP Program

#Question id: 2660

#Unit 2. Cellular Organization

In the lactose operon, the molecule that causes the repressor to fall off the promoter is which of the following?

TLS Online TPP Program

#Question id: 2661

#Unit 2. Cellular Organization

In the histidine operon, if the codons coding for histidine were removed, which of the following would you predict would happen?

TLS Online TPP Program

#Question id: 2662

#Unit 2. Cellular Organization

In the tryptophan operon, tryptophan serves as ________________.