Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

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#Question id: 19498

#XL - P Chemistry

Which of the following pairs represents isobars?

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#Question id: 19499

#XL - P Chemistry

 The atomic orbital is ————–

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#Question id: 19500

#XL - P Chemistry

Principal, Azimuthal and magnetic quantum numbers are respectively related to:

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#Question id: 19501

#XL - P Chemistry

The electronic configuration of chromium (Z=24) is:

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#Question id: 19502

#XL - P Chemistry

According to Aufbau principle a new electron enters the orbitals when:

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#Question id: 19503

#XL - P Chemistry

Which of the following is not permissible