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TLS Online TPP Program

#Question id: 319

London dispersion forces are attractive forces that arise due to

#SCPH06 I Botany

  1. infinitesimal dipoles generated by the constant random motion of electrons.

  2. permanent dipoles of molecules containing covalent bonds between atoms of very different electronegativities.

  3. the hydrophobic effect.

  4. ion pairing between oppositely charged functional groups.

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TLS Online TPP Program

#Question id: 4949

#SCPH28 | Zoology

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?
TLS Online TPP Program

#Question id: 18625

#SCPH06 I Botany

m.RNA variation can be analyzed by using
TLS Online TPP Program

#Question id: 15146

#SCPH12 I Genetics

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;
What do these results tell you about each of the mutants?
TLS Online TPP Program

#Question id: 5537

#SCPH28 | Zoology

The segmented blocks of tissue that develop on each side of the notochord are called the
TLS Online TPP Program

#Question id: 1437

#SCPH28 | Zoology

Exposure to benzo(a)pyrene is most frequently associated with which type of cancer?