TLS Online TPP Program

#Question id: 709


A sequence of amino acids in a certain protein is found to be -Ser-Gly-Pro-Gly-.  The sequence is most probably part of a(n):

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. antiparallel B sheet.

  2. parallel B sheet.

  3. a helix.

  4. B turn.

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TLS Online TPP Program

#Question id: 65

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify which of the following pair is enantiomers, diastereomers or meso compounds.

TLS Online TPP Program

#Question id: 2276

#Unit 2. Cellular Organization

The cytoplasm of a bacterium

TLS Online TPP Program

#Question id: 1236

#Unit 4. Cell Communication and Cell Signaling

Arrange the following events in the proper order in which they occur during transduction of the TNF-α signal

a. phosphorylation of I-κB                 

b. binding of E3 ubiquitin ligase to I-κB       

c. polyubiquitination of I-κB             

d. nuclear localization of NF-κB       

e. activation of TAK1 kinase

TLS Online TPP Program

#Question id: 10413

#Unit 1. Molecules and their Interaction Relevant to Biology

Following are certain statements are related to the effect of red and far-red light;
a) under a dense canopy much of the red light is absorbed by plant pigments, resulting in transmittance of mostly far-red light
b) Pr (red) has highest photon flux at 680 nm while Pfr (far-red) has highest photon flux at 730nm
c) Pfr far-red light–absorbing form, which is considered to be the physiologically active form of phytochrome
d) R:FR ratio is strongly affected by the presence of a canopy because chlorophyll absorbs far-red but not red light
Which one of the combinations of above statements is incorrect?

TLS Online TPP Program

#Question id: 23051

#Unit 12. Applied Biology

Capture of contaminants through solodification is based on
1. CO2 release
2. Time consumption
3. Consume lots of energy
4. Encapsulation
Which of the following option is true?