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TLS Online TPP Program

#Question id: 5016


Approximately how far back in time does the fossil record extend?

#Unit 11. Evolution and Behavior
  1. 6,000 years

  2. 3,500,000 years

  3. 6,000,000 years

  4. 3,500,000,000 years


Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 23698

#Unit 13. Methods in Biology

A student wishes to clone a sequence of DNA of ~200 kb. Which vector would be appropriate?

TLS Online TPP Program

#Question id: 23696

#Unit 13. Methods in Biology

which of the following best describes the complete sequence of steps occurring during every cycle of PCR?
1. The primers hybridize to the target DNA.
2. The mixture is heated to a high temperature to denature the double stranded target DNA.
3. Fresh DNA polymerase is added.
4. DNA polymerase extends the primers to make a copy of the target DNA.

TLS Online TPP Program

#Question id: 23695

#Unit 13. Methods in Biology

Yeast artificial chromosomes contain which of the following elements?

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?

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