TLS Online TPP Program

#Question id: 15529


When does the T-cell anergy occur?

#Unit 4. Cell Communication and Cell Signaling
  1. During TCR and MHC interaction
  2. CD28 do not interact with B7 family of protein
  3. During autocrine signalling
  4. During paracrine signalling
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TLS Online TPP Program

#Question id: 23156

#Unit 13. Methods in Biology

Most widely used method of detecting specific proteins, uses an antibody to which a fluorescent dye has been covalently attached

TLS Online TPP Program

#Question id: 79

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?

TLS Online TPP Program

#Question id: 12641

#Unit 6. System Physiology – Plant

 Among the diverse components of plant defense arsenals are proteins that interfere with herbivore digestion, Given some defense compound of plants in column I with its given action in column II

Column I

column II

I)  α-amylase inhibitors

a) Antidigestive proteins, block the action of herbivore proteolytic enzymes. After entering the herbivore’s digestive tract, they hinder protein digestion by binding tightly and specifically to the active site of protein-hydrolyzing enzymes such as trypsin and chymotrypsin

II) Lectins

b) block the action of the starch-digesting enzyme

III) proteinase inhibitors

c) A defensive proteins that bind to carbohydrates or carbohydrate-containing proteins. After being ingested by an herbivore, bind to the epithelial cells lining the digestive tract and interfere with nutrient absorption

Correctly match the defence compound withits action on herbivore;

TLS Online TPP Program

#Question id: 23942

#General Aptitude

What amount has been made in the Eleventh Five Year Plan for Education Mission through ICT?

TLS Online TPP Program

#Question id: 23491

#General Aptitude

Use of an ordinary telephone as an Internet appliance is called: