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TLS Online TPP Program

#Question id: 3782

In his work with pneumonia-causing bacteria and mice, Griffith found that

#XL - Q Biochemistry

  1. the protein coat from pathogenic cells was able to transform nonpathogenic cells.

  2. heat-killed pathogenic cells caused pneumonia.

  3. some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic.

  4. the polysaccharide coat of bacteria caused pneumonia.

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TLS Online TPP Program

#Question id: 192

#XL - T Zoology

What is the role of the magnesium ion in kinases that require the magnesium-ATP complex to donate phosphoryl groups?
TLS Online TPP Program

#Question id: 193

#XL - T Zoology

An ion commonly found in metalloenzymes and which can undergo reversible oxidation and reduction is
TLS Online TPP Program

#Question id: 194

#XL - T Zoology

Which does not return to its original form after each catalysis?
TLS Online TPP Program

#Question id: 195

#XL - T Zoology

Vitamin C is a vitamin but not a coenzyme because it
TLS Online TPP Program

#Question id: 217

#XL - Q Biochemistry

Which substance would make a good ligand for biotin on the matrix of an affinity chromatography column?
TLS Online TPP Program

#Question id: 290

#XL - Q Biochemistry

Which of the following is a TRUE statement about ionic bonds in protein structure: