Cancer cells need more DNA synthesis but the NADPH/ NADP* ratio is high. Which of the following statement is TRUE? a. Flux through the oxidative reactions is low and the nonoxidative reactions are reversed in order to form ribose 5-phosphate. O b. The oxidative reactions and the isomerase supply both ribose 5-phosphate and NADPH with little flux through the nonoxidative branch. O c. Flux through the oxidative reactions increases and ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions. d. The ribose 5-phosphate is recycled through the
Cancer cells need more DNA synthesis but the NADPH/ NADP* ratio is high. Which of the following statement is TRUE? a. Flux through the oxidative reactions is low and the nonoxidative reactions are reversed in order to form ribose 5-phosphate. O b. The oxidative reactions and the isomerase supply both ribose 5-phosphate and NADPH with little flux through the nonoxidative branch. O c. Flux through the oxidative reactions increases and ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions. d. The ribose 5-phosphate is recycled through the
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter20: Electron Transport And Oxidative Phosphorylation
Section: Chapter Questions
Problem 19P
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![Cancer cells need more DNA synthesis but
the NADPH/ NADP* ratio is high. Which of
the following statement is TRUE?
Flux through the oxidative reactions is low and the
nonoxidative reactions are reversed in order to
form ribose 5-phosphate.
O b. The oxidative reactions and the isomerase supply
both ribose 5-phosphate and NADPH with little
flux through the nonoxidative branch.
O C.
Flux through the oxidative reactions increases and
ribose 5-phosphate is shunted into glycolysis by
the nonoxidative reactions.
Od. The ribose 5-phosphate is recycled through the
oxidative steps via the nonoxidative reactions and
gluconeogenesis.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45c459d4-c7f0-416a-8b1d-00b29b90700e%2Fac44e475-5f8e-4328-82ef-3f2327117e0d%2Fvh8yyxy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Cancer cells need more DNA synthesis but
the NADPH/ NADP* ratio is high. Which of
the following statement is TRUE?
Flux through the oxidative reactions is low and the
nonoxidative reactions are reversed in order to
form ribose 5-phosphate.
O b. The oxidative reactions and the isomerase supply
both ribose 5-phosphate and NADPH with little
flux through the nonoxidative branch.
O C.
Flux through the oxidative reactions increases and
ribose 5-phosphate is shunted into glycolysis by
the nonoxidative reactions.
Od. The ribose 5-phosphate is recycled through the
oxidative steps via the nonoxidative reactions and
gluconeogenesis.
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