TLS Online TPP Program

#Question id: 5205


Why is it preferable to use large computers and databases in searching for individual genes, rather than testing each sequence for possible function?

#Unit 11. Evolution and Behavior
  1. Testing for function would require too many cells.

  2. Testing for function would require knowing the species, its life stage, and its phylogeny.

  3. Testing for function would require knowing where a particular gene starts and ends and how it is regulated.

  4. Use of computer databases is intellectually less rigorous.

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TLS Online TPP Program

#Question id: 27079

#Unit 1. Molecules and their Interaction Relevant to Biology

The van der Waals interaction as a function of interatomic distance r, then which of the following equation is correct 

TLS Online TPP Program

#Question id: 27077

#Unit 1. Molecules and their Interaction Relevant to Biology

The van der Waals interaction as a function of interatomic distance r (on x axis) which of the following graph is correctly representing the relation between attractive and repulsive region vs interatomic distance r


TLS Online TPP Program

#Question id: 27075

#Unit 1. Molecules and their Interaction Relevant to Biology

As atom "A" approaches, the electrons of atom "B" will be attracted by the positive end of atom "A". As a result, the electrons of atom "B" will migrate to the left side and make the left side slightly negative. This phenomenon can be explained by 

TLS Online TPP Program

#Question id: 27074

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement of the following about the Spontaneous dipole-dipole interaction 

TLS Online TPP Program

#Question id: 27073

#Unit 1. Molecules and their Interaction Relevant to Biology

The potential energy of the interaction for the given pair of the image below is represented by the equation

TLS Online TPP Program

#Question id: 27072

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement regarding the Van der Waals interactions & Hydrogen bonds
1. In Van der Waals interactions greater the area of contact the stronger the interaction.
2. In Van der Waals interactions greater the area of contact the weaker  the interaction.
3. Hydrogen bonds Relative strength is inversely proportional to the polarity More polar atoms form weak H bonds.
4. Hydrogen bonds Relative strength is directly proportional to the polarity More polar atoms form stronger H bonds.