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6) what elements are used to make ribonucleotides? 4) The principal function of

ID: 53943 • Letter: 6

Question

6) what elements are used to make ribonucleotides?
4) The principal function of glycolysis is to produce ATP it must be regulated so that ATP is generated only when needed. The enzyme Which controls the flux of metabolites through the glycolytic pathway is phosphofructokinase (PFK-1). PFK-1 is an allosteric enzyme that occupies the key regulatory position for glycolysis. Does that make sense? Why? 6) what elements are used to make ribonucleotides?
4) The principal function of glycolysis is to produce ATP it must be regulated so that ATP is generated only when needed. The enzyme Which controls the flux of metabolites through the glycolytic pathway is phosphofructokinase (PFK-1). PFK-1 is an allosteric enzyme that occupies the key regulatory position for glycolysis. Does that make sense? Why?
4) The principal function of glycolysis is to produce ATP it must be regulated so that ATP is generated only when needed. The enzyme Which controls the flux of metabolites through the glycolytic pathway is phosphofructokinase (PFK-1). PFK-1 is an allosteric enzyme that occupies the key regulatory position for glycolysis. Does that make sense? Why?

Explanation / Answer

6.

Ribose sugar (Pentose), Phosphate and nitrogen bae (Adenine/ Guanine/ Uracil/ Cytosine)

7.

PFK-1 is an allosteric enzyme that converts Fructose-6-phosphate into Fructose-1, 6- bisphosphate, which is an early step in glycolysis. In the presnece of O2, if the amount of ATP increases in a cell leads to inhibition of PFK-1 enzyme, therby the rate of glycolysis and citric acid cyle decreases. But, the AMP reverse the inhibitory action ATP. The activity of enzyme increases when the ratio of ATP/AMP is lowered. Fructose-2, 6- bisphosphate also increases the affinity of PFK-1 with Fructose-6-phosphate and reduces the inhibitory effect of ATP.  

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