Practice Questions

TLS Online TPP Program

#Question id: 1073

Prions

#Unit 4. Cell Communication and Cell Signaling

replicate by converting normal host proteins into prion proteins.
responsible for "mad cow disease" can cause a similar disease in humans.
that cause Spongiform Encephalopathy have the same amino acids but different folding properties from PrPc
All of the above.

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TLS Online TPP Program

#Question id: 7752

#Unit 5. Developmental Biology

The autophagy pathway included____

a) the catabolic mechanism that delivers cellular components to lysosomes, where they are degraded

b) Autophagy protects the cell from the harmful or lethal effects of damaged or unnecessary proteins and organelles

c) During starvation, the autophagic breakdown and recycling of cellular components also

ensure cellular survival by maintaining cellular energy levels

Which of the following are the correct prediction about autophagy is true?

TLS Online TPP Program

#Question id: 18758

#Unit 13. Methods in Biology

Which polymerase is used in PCR based mutagenesis?

TLS Online TPP Program

#Question id: 12358

#Unit 10. Ecological Principles

Linked subpopulations are referred to as a.

TLS Online TPP Program

#Question id: 4685

#Unit 3. Fundamental Processes

Some given characteristics of repressor such as;

I) λ-repressor and

II) cro-repressor

a) A repressor binds DNA as a dimer

b) A repressor work as both activator and repressor

c) Repressor is a single-domain protein

d) Repressor binds to operator sites cooperatively

e) Only represses transcription, like the Lac repressor

which of the following are correct match statements of given repressor

TLS Online TPP Program

#Question id: 12932

#Unit 13. Methods in Biology

Why mRNA cannot be used directly in cloning?