Practice Questions

TLS Online TPP Program

#Question id: 17216

What do you mean by negative feedback system?

#Unit 7. System Physiology – Animal

Monitors the body's physiology, assesses for alteration from normal and counteracts any changes to reverse the situation and return to normal
Intensifies a change in the body's physiological condition instead of reversing it.
Normal response when there is a definite end point.
which causes negative effect on our body.

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TLS Online TPP Program

#Question id: 23683

#Unit 13. Methods in Biology

What is the enzymatic function of restriction enzymes?

TLS Online TPP Program

#Question id: 23681

#Unit 13. Methods in Biology

Which enzyme was used to produce the molecule in Figure 20.1?

TLS Online TPP Program

#Question id: 23680

#Unit 13. Methods in Biology

Who won the Nobel Prize in 1993 for his work on site-directed mutagenesis?

TLS Online TPP Program

#Question id: 23678

#Unit 13. Methods in Biology

Which component is not necessary for a PCR experiment?

TLS Online TPP Program

#Question id: 23676

#Unit 13. Methods in Biology

What is the purpose of the heating cycle during PCR?

TLS Online TPP Program

#Question id: 23675

#Unit 13. Methods in Biology

After ten cycles of PCR, by approximately what factor will the number of DNA molecules in a sample be increased? Assume maximum efficiency.