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TLS Online TPP Program

#Question id: 3796

Incorrect pairing of bases during bacterial DNA replication occurs about once every 10^5 to 10^6 nucleotides, but the spontaneous mutation rate is only one error in 10^9 base pairs. What accounts for the difference?

#Section 3: Genetics, Cellular and Molecular Biology

  1. proofreading and correcting by the DNA polymerase

  2. mismatch repair following replication

  3. both (a) and (b)

  4. neither (a) nor (b)

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TLS Online TPP Program

#Question id: 205

#Section 2: General Biology

Which coenzyme is composed of a 2-mercaptoethylamine unit, the vitamin pantothenate and an ADP moiety? 
TLS Online TPP Program

#Question id: 206

#Section 2: General Biology

The reactive center of coenzyme A is
TLS Online TPP Program

#Question id: 207

#Section 2: General Biology
TLS Online TPP Program

#Question id: 209

#Section 2: General Biology

TPP is a/an ________ of yeast pyruvate decarboxylase.
TLS Online TPP Program

#Question id: 210

#Section 2: General Biology

Enzymes with vitamin B6 as the prosthetic group catalyze a variety of reactions involving 
TLS Online TPP Program

#Question id: 211

#Section 2: General Biology

The degradation of aspartic acid to oxaloacetic acid and NH4+ is catalyzed by an enzyme with ________ as its prosthetic group.