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TLS Online TPP Program

#Question id: 5203

The biggest problem with the shotgun technique is its tendency to underestimate the size of the genome. Which of the following might best account for this?

#Unit 11. Evolution and Behavior

  1. skipping some of the clones to be sequenced

  2. missing some of the overlapping regions of the clones

  3. missing some duplicated sequences

  4. having some of the clones die during the experiment and therefore not be represented

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TLS Online TPP Program

#Question id: 20330

#Unit 4. Cell Communication and Cell Signaling

What does the LuxR gene do?
TLS Online TPP Program

#Question id: 32143

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Question id: 1187

#Unit 4. Cell Communication and Cell Signaling

Which protein stabilizes an intermediate in the Ras GTP hydrolysis reactions?
TLS Online TPP Program

#Question id: 18770

#Unit 13. Methods in Biology

Four identical PCR reactions were carried out in tubes named I, II, III and IV. Besides the usual mix of dNTPs, each of the tubes respectively contained Ɣ-32P dATP, β-32P dATP, α-32P dATP, α-32P dNTP and α-32P rNTP. Which one of the tubes will have radiolabeled PCR product?
TLS Online TPP Program

#Question id: 26464

#Unit 3. Fundamental Processes

Choose the correct statement During abortive Transcription 
a. Abortive synthesis takes before escaping the promoter (-10 to +2), entering the elongation phase 
b. Abortive synthesis produces and releases short RNA transcripts of 10 nucleotides 
c. The major phenomenon which is responsible is Brownian ratchet 
d. Three general models were associated is “Scrunching”