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TLS Online TPP Program

#Question id: 470

If glucose labeled with 14C in C-1 were fed to yeast carrying out the ethanol fermentation, where would the 14C label be in the products?

#Applied Microbiology

  1. In C-1 of ethanol and CO2

  2. In C-1 of ethanol only

  3. In C-2 (methyl group) of ethanol only

  4. In C-2 of ethanol and CO2

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TLS Online TPP Program

#Question id: 562

#Biochemistry

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?
TLS Online TPP Program

#Question id: 564

#Biochemistry

A good transition-state analog:
TLS Online TPP Program

#Question id: 565

#Biochemistry

A transition-state analog:
TLS Online TPP Program

#Question id: 566

#Biochemistry

The role of the metal ion (Mg2+) in catalysis by enolase is to
TLS Online TPP Program

#Question id: 567

#Biochemistry

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by 
TLS Online TPP Program

#Question id: 568

#Biochemistry

Which of the following statements about allosteric control of enzymatic activity is false?