The appearance of ϒδ thymocytes and αβ thymocytes during mouse fetal development. Fetal animals generate

a) more αβ T-cells than ϒδ T-cells

b) the proportion of ϒδ T-cells generated drops off dramatically after birth

c) the proportion of αβ T-cells generated drops off dramatically after birth

d) more ϒδ T-cells than αβ T cells

TLS Online TPP Program

#Question id: 32524

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following sequential reactions correctly represent(s) 

a. NADH dehydrogenase → Ubiquinone → Cytochrome bc1 → Cytochrome c → Cytochrome c oxidase

b. NADH dehydrogenase → Succinate dehydrogenase → Ubiquinone → Cytochrome c → Cytochrome bc1 → Cytochrome c oxidase

c. NADH dehydrogenase → Ubiquinone → Alternative oxidase

d. NADH dehydrogenase → Alternative oxidase → Ubiquinone

TLS Online TPP Program

#Question id: 32710

#Unit 1. Molecules and their Interaction Relevant to Biology

The relationship between activation energy and the rate constant of the reaction, k, is given by the 

TLS Online TPP Program

#Question id: 32711

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following represents the variation of the solubility of a typical globular enzyme with pH

TLS Online TPP Program

#Question id: 32712

#Unit 1. Molecules and their Interaction Relevant to Biology

Whose function is to interconvert L-alanine to D-alanine

TLS Online TPP Program

#Question id: 32713

#Unit 1. Molecules and their Interaction Relevant to Biology

Match figure with their correct order of reaction

TLS Online TPP Program

#Question id: 32714

#Unit 1. Molecules and their Interaction Relevant to Biology

The existence of an enzyme-substrate complex can be experimentally demonstrated by

a. X-ray crystallography

b. ESR

c. NMR

d. Fluorimetery