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TLS Online TPP Program

#Question id: 351

 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

#Section 2: General Biology

  1. is 10 times higher in the cytoplasm than in the mitochondrial matrix

  2. is 10 times higher in the mitochondrial matrix than in the cytoplasm

  3. in the cytoplasm is 7/8 the concentration in the mitochondrial matrix

  4. in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

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TLS Online TPP Program

#Question id: 4178

#Section 3: Genetics, Cellular and Molecular Biology

The acceptor stem of tRNA consists of the __.
TLS Online TPP Program

#Question id: 3719

#Section 3: Genetics, Cellular and Molecular Biology

The processivity of E. coli DNA polymerase III holoenzyme accounts for all of the following except
TLS Online TPP Program

#Question id: 415

#Section 2: General Biology

Which one of the following compounds does not have a large negative free energy of hydrolysis?
TLS Online TPP Program

#Question id: 1562

#Section 2: General Biology

________ are cells of the mammalian innate immune response that help destroy tumors.
TLS Online TPP Program

#Question id: 238

#Section 2: General Biology

Purines which are found mainly in both deoxyribonucleotides and ribonucleotides are