Practice Questions

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#Question id: 2651

In the presence of lactose, how long does it take for the lac operon to be expressed?

#XL - T Zoology

when lactose equals glucose concentration
when glucose is more than lactose concentration
as long as lactose is more than glucose concentration
as long as lactose is more than galactose concentration

More Questions

TLS Online TPP Program

#Question id: 3812

#XL - Q Biochemistry

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

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#Question id: 27457

#XL - R Botany

Which of the following are the major pigments of Rhodophyceae?

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#Question id: 16492

#XL - R Botany

Upstream elements on the other hand regulates the activity of gene action are

A. Enhancer sequences

B. Silencer sequences

C. Termination sequences

D. Signal sequences

Mark the option with correct combination

TLS Online TPP Program

#Question id: 12065

#XL - R Botany

If the Archaeplastidae are eventually designated a kingdom, and if the land plants are excluded from this kingdom, then what will be true of this new kingdom?

TLS Online TPP Program

#Question id: 2108

#XL - S Microbiology

Which of the following is TRUE regarding lipid-anchored membrane proteins?