One particular group of mutant strains specifically required the amino acid arginine to grow, and these arginine auxotrophs formed the basis of their subsequent analysis, given in table 

TLS Online TPP Program

#Question id: 10422

#Unit 6. System Physiology – Plant

Arabidopsis contains five genes encoding phytochromes, PHYA–PHYE, four of the five phytochromes appear mostly light-stable in the plant and function primarily in the regulation of LFRs and of shade avoidance involving changes in the R:FR ratio.

TLS Online TPP Program

#Question id: 4580

#Unit 11. Evolution and Behavior

In modern terminology, diversity is understood to be a result of genetic variation. Sources of variation for evolution include all of the following except

TLS Online TPP Program

#Question id: 11678

#Unit 7. System Physiology – Animal

Increased antidiuretic hormone (ADH) secretion is likely after ________.

TLS Online TPP Program

#Question id: 16789

#Unit 13. Methods in Biology

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be: 

TLS Online TPP Program

#Question id: 15709

#Unit 12. Applied Biology

Anti browning compounds helps to reduce toxicity by removing toxic substances produced during the culture and permits unhindered cell growth.