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TLS Online TPP Program

#Question id: 3681

 A mutated E. coli cell carries out and completes DNA replication, but the lagging strands are found to contain more errors than normal. These errors are not found evenly distributed throughout the lagging strands, but are found in clusters. Which enzymatic activity is missing from this cell?

#Unit 3. Fundamental Processes

  1. the 3’→ 5’ exonuclease activity of pol III

  2. the 5’→ 3’ exonuclease activity of pol III

  3. the 3’→ 5’ exonuclease activity of pol I

  4. the 5’→ 3’ exonuclease activity of pol I

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TLS Online TPP Program

#Question id: 436

#Unit 1. Molecules and their Interaction Relevant to Biology

A chemical reaction with a negative enthalpy change and a negative entropy change
TLS Online TPP Program

#Question id: 12216

#Unit 7. System Physiology – Animal

Gastric emptying is regulated to ensure the chyme enters the duodenum at an appropriate rate. Which of the following factors promotes gastric emptying?
TLS Online TPP Program

#Question id: 26890

#Unit 10. Ecological Principles

The MacArthur-Wilson equilibrium model of island biogeography predicts the number of species found on islands. The figure below depicts two volcanic islands located off a section of mainland coast.
 The MacArthur-Wilson model predicts that the relative numbers of bird species on the mainland and two islands would be
TLS Online TPP Program

#Question id: 6580

#General Aptitude

Which term comes next in the sequence : 2, A, 9, B, 6, C, 13, D, ? 
TLS Online TPP Program

#Question id: 18603

#Unit 13. Methods in Biology

If a fair die is rolled 4 times, then what is the probability that there are exactly 2 sixes ?