TLS Online TPP Program

#Question id: 1073


Prions

#Unit 4. Cell Communication and Cell Signaling
  1. replicate by converting normal host proteins into prion proteins.

  2. responsible for "mad cow disease" can cause a similar disease in humans.

  3. that cause Spongiform Encephalopathy have the same amino acids but different folding properties from PrPc

  4. All of the above.

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TLS Online TPP Program

#Question id: 18810

#Unit 13. Methods in Biology

In flow cytometry, what is side scatter a measure of?

TLS Online TPP Program

#Question id: 5846

#Unit 8. Inheritance Biology

The bacteriophage can lysogenize after infecting a bacterium, i.e. integrate into the host bacterial chromosome by site-specific recombination, and may reside there for many generations before an excision event regenerates the viral genome in an infective form.  Which one of the following is not a component of these events?

TLS Online TPP Program

#Question id: 11392

#Unit 9. Diversity of Life Forms

Modes of obtaining nutrients, used by at least some bacteria, include all of the following except

TLS Online TPP Program

#Question id: 11807

#Unit 6. System Physiology – Plant

Given below are few statements regarding the cytokinin signalling pathway;

a) Cytokinin inhibits the activation of a Cdc25- like phosphatase, whose role is to remove an inhibitory phosphate group from the Cdc2 kinase

b) Cytokinin oxidase irreversibly inactivates cytokinins, and it could be important in regulating or limiting cytokinin effects

c) Cytokinin signal transduction pathway is completed on multiple places such as ER, Cytosol and Nucleus

d) Elevation of endogenous cytokinin levels in transgenic Arabidopsis results in overexpression of the KNOTTED homeobox transcription factor homologs KNAT1 and STM—genes 

Which of the following combinations  from the given above statements is correct?

TLS Online TPP Program

#Question id: 15459

#Unit 2. Cellular Organization

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the