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TLS Online TPP Program

#Question id: 322

A covalent bond is likely to be polar when ________.

#XL - Q Biochemistry

  1. one of the atoms sharing electrons is more electronegative than the other atom

  2. the two atoms sharing electrons are equally electronegative

  3. carbon is one of the two atoms sharing electrons

  4. the two atoms sharing electrons are of the same elements

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TLS Online TPP Program

#Question id: 1071

#XL - T Zoology

The changes that occur in virally infected cells are characteristic for a particular virus and are referred to as the
TLS Online TPP Program

#Question id: 3759

#XL - Q Biochemistry

In E. coli, to repair a thymine dimer by nucleotide excision repair, in which order do the necessary enzymes act?
TLS Online TPP Program

#Question id: 11332

#XL - T Zoology

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.
TLS Online TPP Program

#Question id: 34078

#XL - S Microbiology

In the pour plate method, which of the following steps are involved?
TLS Online TPP Program

#Question id: 13068

#XL - S Microbiology

Coating antibody; which actively traps antigen