TLS Online TPP Program

#Question id: 26477


Lac operon consist of

#Unit 2. Cellular Organization
  1. 1 genes (I), 2 Promoters and 3 lac operators 
  2.  2 genes (I, Z,), 4 Promoters and 3 lac operators 
  3. 4 genes (I, Z, Y, A), 3 Promoters and 2 lac operators 
  4. 4 genes (I, Z, Y, A), 2 Promoters and 3 lac operators 
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TLS Online TPP Program

#Question id: 12307

#Unit 7. System Physiology – Animal

If a person has a kidney transport maximum for glucose of 350 mg/min, a GFR of 100 ml/min, a plasma glucose of 150 mg/dL, a urine flow rate of 2 ml/min, and no detectable glucose in the urine, what would be the approximate rate of glucose reabsorption, assuming normal kidneys?

TLS Online TPP Program

#Question id: 4769

#Unit 8. Inheritance Biology

In some sheep, the presence of horns is produced by an autosomal allele that is dominant in males and recessive in females. A horned female is crossed with a hornless male. One of the resulting F1 females is crossed with a hornless male. What proportion of the male and female progeny from this cross will have horns?

TLS Online TPP Program

#Question id: 10513

#Unit 6. System Physiology – Plant

Which of the following major cyanogenic glycosides are derived from the Cassava?

TLS Online TPP Program

#Question id: 15961

#Unit 12. Applied Biology

In somatic hybridization experiments, only the heterokaryotic or 'hybrid' protoplasts, form only a small proportion of the population. Therefore, an effective strategy has to be employed for their identification and isolation, this step is called;

TLS Online TPP Program

#Question id: 10238

#Unit 10. Ecological Principles

The diagram below shows the frequency distribution of two closely related bird species based on their resource use in sympatric. Which one of the following phenomena most appropriately explains the change in frequency distributions of species 1 and 2 in the figure given above?