The following statements are related to pentose phosphate pathway.

a) The first and third steps are oxidations with large, negative standard free-energy changes and are essentially irreversible in the cell

b) NADPH rises and inhibits the first enzyme in the pentose phosphate pathway. As a result, more glucose 6-phosphate is available for glycolysis

c) All the enzymes of the reversible reaction of the pentose phosphate pathway are located in the cytosol

d) The NADPH is used for biosynthetic reactions such as lipid synthesis and nitrogen assimilation in the cytosol

which one of the following combination  of above statements is incorrect?

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#Question id: 4301

#Unit 3. Fundamental Processes

Which of the following proteins prevents eukaryotic mRNAs from being recruited to the ribosome prior to egg fertilization

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#Question id: 23707

#Unit 13. Methods in Biology

Which of the following separates molecules by movement due to size and electrical charge?

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#Question id: 6943

#Unit 5. Developmental Biology

The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:

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#Question id: 8898

#Unit 9. Diversity of Life Forms

Which extant chordates are postulated to be most like the earliest chordates in appearance?

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#Question id: 15448

#Unit 4. Cell Communication and Cell Signaling

Stimulation of a single B cell would result in the generation of a clone of cells having_____