TLS Online TPP Program

#Question id: 10334

#Unit 6. System Physiology – Plant

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

TLS Online TPP Program

#Question id: 112

#Unit 1. Molecules and their Interaction Relevant to Biology

The major groups of lipids can be separated by silicic acid column chromatography by eluting with

TLS Online TPP Program

#Question id: 24181

#General Aptitude

French explorers probably taught the Inuit Eskimos how to play dominoes.

TLS Online TPP Program

#Question id: 15361

#Unit 4. Cell Communication and Cell Signaling

The chemical benzo(a)pyrene, found in cigarette smoke as well as in coal tar, undergoes metabolic activation in the lungs to form a potent mutagen that mainly, causes conversion of guanine (G) to thymine (T) bases, a transversion mutation, When applied to cultured bronchial epithelial cells, activated benzo(a)pyrene induces many mutations, including inactivating mutations of the p53 gene, at codon number______

TLS Online TPP Program

#Question id: 17672

#Unit 9. Diversity of Life Forms

Protection from desiccation