Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?

1. Benzene

2. Toluene

3. Ethylbenzene

4. Xylene

Which of them is a correct option?

#Question id: 1899

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is NOT TRUE? Rejection of a second (set) skin graft from the same allogeneic donor:

#Question id: 7082

#Unit 5. Developmental Biology

In chick embryo, at the anterior end of the primitive streak is a regional thickening of cells called:

#Question id: 10279

#Unit 6. System Physiology – Plant

Phosphohexose isomerase is one of the enzyme of glycolysis which catalyzes Glucose 6-phosphate to Fructose 6-phosphate, enzyme bind with the hexose in their active site by opening the structure. The ring opening and closing reactions are catalyzed by an active-site present amino acid such as

#Question id: 4326

#Unit 3. Fundamental Processes

Which of the following is an example of post-transcriptional control of gene expression?

#Question id: 3004

#Unit 2. Cellular Organization

Bacterium was inoculated into a rich medium. If at the end of 5 hours the total number of cells is 1024, then the number of elapsed generations and the generation time respectively is