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TLS Online TPP Program

#Question id: 1246

An SH2-containing protein contains a mutation that changes its binding pocket such that tyrosine and phosphotyrosine bind with equal affinity. As a result, MEK activity:

#XL - Q Biochemistry

  1. decreases due to changes in Raf activation.

  2. decreases due to allosteric inhibition of SH2-domain binding.

  3. increases with ligand binding-induced dimerization.

  4. does not change with receptor dimerization and transautophosphorylation.

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TLS Online TPP Program

#Question id: 19583

#XL - P Chemistry

__________ possesses the properties of both alkali metals and halogens.
TLS Online TPP Program

#Question id: 19584

#XL - P Chemistry

As we proceed from left to right in groups, what happens to the non-metallic nature?
TLS Online TPP Program

#Question id: 19585

#XL - P Chemistry

Which of the following statements concerning transuranium elements is incorrect?
TLS Online TPP Program

#Question id: 19586

#XL - P Chemistry

Select the appropriate statement.
TLS Online TPP Program

#Question id: 19587

#XL - P Chemistry

What happens to the atomic size of lanthanides as the atomic number increases?
TLS Online TPP Program

#Question id: 19588

#XL - P Chemistry

Which of the following is not a lanthanide property?