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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 ________.

#SCPH05 I Biotechnology

  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: 283

#SCPH12 I Genetics

The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.
TLS Online TPP Program

#Question id: 284

#SCPH12 I Genetics

Which best describes the structure of a nucleosome core particle?
TLS Online TPP Program

#Question id: 285

#SCPH12 I Genetics

About how many nucleosomes could be made from a DNA strand consisting of 1000 base pairs?
TLS Online TPP Program

#Question id: 286

#SCPH12 I Genetics

________ catalyze the hydrolysis of phosphodiester linkages to release nucleotide residues from only one end of a polypeptide chain.
TLS Online TPP Program

#Question id: 287

#SCPH12 I Genetics

Which are the products of the RNase A-catalyzed hydrolysis of pGpApUpApApCpG?
TLS Online TPP Program

#Question id: 288

#SCPH12 I Genetics

Which does not occur during the hydrolysis of RNA by RNase A?