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TLS Online TPP Program

#Question id: 3745

In the Holliday model describing recombination

#XL - Q Biochemistry

  1. homologous sequences line up.

  2. DNA strands associate with the homologous strand (ʺstrand invasionʺ).

  3. strands rotate then are cleaved at the crossover point.

  4. All of the above

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TLS Online TPP Program

#Question id: 19573

#XL - P Chemistry

What form does nitrogen take in plants?
TLS Online TPP Program

#Question id: 19574

#XL - P Chemistry

What happens to the size of atoms in p-block elements when we move from left to right in the same period?
TLS Online TPP Program

#Question id: 19575

#XL - P Chemistry

When copper chips are exposed to concentrated nitric acid, which gas is produced?
TLS Online TPP Program

#Question id: 19576

#XL - P Chemistry

When ammonia is oxidized to form nitric acid, what catalyst is used?
TLS Online TPP Program

#Question id: 19577

#XL - P Chemistry

Which of the following statements about Hypophosphorous acid is incorrect?
TLS Online TPP Program

#Question id: 19578

#XL - P Chemistry

Which of the following compounds has an oxidation state of +5 phosphorus?