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TLS Online TPP Program

#Question id: 319

London dispersion forces are attractive forces that arise due to

#Section 2: General Biology

  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: 4133

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about aminoacyl-tRNA synthetases is false?
TLS Online TPP Program

#Question id: 1633

#Section 2: General Biology

Immunological memory can be transferred experimentally by:
TLS Online TPP Program

#Question id: 1629

#Section 2: General Biology

Clonal selection occurs when antigen is encountered by:
TLS Online TPP Program

#Question id: 14692

#Section 1: Engineering Mathematics

A box contains 6 white balls and 3 black balls and another box contains 4 white balls and 5 black balls. The probability that a ball selected from one of the box again selected at random is a white ball.
TLS Online TPP Program

#Question id: 2064

#Section 2: General Biology

What kinds of molecules pass through a cell membrane most easily?