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#Question id: 2651

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

#2. Cellular Organization

  1. when lactose equals glucose concentration

  2. when glucose is more than lactose concentration

  3. as long as lactose is more than glucose concentration

  4. as long as lactose is more than galactose concentration

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TLS Online TPP Program

#Question id: 5356

#8. Inheritance Biology

In the following pedigree, individuals with shaded circle or shaded square show presence of a recessive autosomal trait. The calculated risk of occurrence of this trait for III-I is
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#Question id: 3885

#3. Fundamental Processes

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by:
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#Question id: 3611

#8. Inheritance Biology

ABO blood group system is due to
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#Question id: 23472

#Aptitude

Which of the following statement does describe best the computer based information system?
TLS Online TPP Program

#Question id: 5554

#5. Developmental Biology

Even in the absence of sperm, metabolic activity in an egg can be artificially activated by ________.