4 Which of the following metabolic enzymes uses GTP instead

4)

Which of the following metabolic enzymes uses GTP instead of ATP as the source of phosphoryl transfer?

Glyceraldehyde dehydrogenase

None of the choices listed

Pyruvate carboxylase

PEP carboxykinase

Phosphoglycerate mutase

5)

During glycolysis, what is the logic behind phosphorylation of C1 and C6 of fructose?

More than one of these choices

None of the choices listed

Phosphorylation ensures that intermediates remain in the cell

Phosphorylation ensures that products of C-C bond cleavage are interconvertible

Phosphorylation ensures that two products are funneled into single pathway

Solution

4)

-PEP carboxykinase uses GTP instead of ATP as the source of phosphoryl transfer.

5)

-Phosphorylation ensures that products of C-C bond cleavage are interconvertible.