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The conversion of glyceraldehyde 3 phosphate to 1, 3 bisphosphoglycerate catalyzed byglyceraldehyde 3 phosphate dehydrogenase using NAD+ and Pi
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What step in glycolysis consists of a phosphorylation reaction in which ATP is the phosphate source?
The first step
During the Calvin cycle glyceraldehyde 3 phosphate is used to produce what?
Glyceraldehyde 3 phospate also known as (G3P) is one of the two molecules created in the last step of the initial energy investment stage of glycolysis. Thus, 2 G3P molecules create one glucose molecule, which it why it is created in the Calvin cycle of photosynthesis. One G3P molecule is created after 3 turns of the cycle, and after 3 CO2 molecules are fixed to the initial intermediate ribulose-biphosphate (RuBP).
The first step in surface coal mining is?
It's the material added to land to form land mass.
What is the formula for a scale?
whole step, whole step, half step, whole step, whole step, whole step, half step.
What is the first step to the lithification process?
The first step is compaction
The second step of glycolysis involves the conversion of ______ into?
glucose-6-phosphate . . . fructose-6-phosphate
What step in glycolysis consists of a phosphorylation reaction in which ATP is the phosphate source?
The first step
Describe what happens where during the first step of glycolysis?
during the first step of glycolysis C6 is phosphorylated, turning it into a phosphate ester which is a low energy compound.
The sixth step of glycolysis results in the conversion of ______ to?
glyceraldehyde-3-phosphate . . . 1,3-bisphosphoglycerate
Which is the committed step of glycolysis?
The committed step of glycolysis is the reaction catalyzed by phophofructokine (PFK) converting fructose-6-phosphate into fructose-1,6- bisphosphate. The reaction is irreversible and secondly, it's the only reaction peculiar to the glycolysis.
What reaction does the enzyme hexokinase catalyze?
First step of glycolysis- the phosphorylation of glucose to glucose-6-phosphate.
Which step in glycolysis is the entry point for galactose?
Glycolysis is the break down of glucose in pyruate and release of energy here are the steps in which glycolysis occurGlucose ------> glucsose-6-phosphate -------> fructose-6-phosphate --------> fructose-1,6-bisphosphate --------> glyceraldhyde-3- phosphate and dihydroxyactone phosphate now dihydroxyacetone phosphate isomerize in glyceraldhyde-3- phosphate ----------- 2 glyceraldhyde -3- phosphate ------------> 1,3-bisphosphoglycerate ---------> 3-phosphoglycerate ----------> 2-phosphoglycerate -----------> phosphoenolpyruate ----------- pyruatein these reactions during reaction 1 and 3 ATP are changed into ADP and so these are called energy consuming reactions and in 7 and 10th step 2 ATP are released in both steps so forming 4 ATP and in end giving net gain of 2 ATP. So in glycolysis fructose is consumed after isomerisation and phosphorylating in 2nd step, Fructose also enter directly in glycolysis in some species which use fruit sugar fructose which first convert in Dfructose which is then phorphorylated in fructose-6-phosphate
3rd reaction of glycolysis. reactants, products, enzymes, reversibility?
Fructose-6-phosphate to fructose 1,6-bisphosphate. Phosphofructokinase (PFK). Requires ATP, Mg. First majorly regulated step of glycolysis. Irreversible
Why is glycolysis rapid after infusion of fructose?
Fructose , after being absrobed ,goes through two pathways. Either it forms fructose-6-phosphate (by hexokinase) or it gets phosphorylated to fructose-1-phosphate by fructokinase found in liver.since liver contains much of he fructose obtained from diet fructose-1-phosphate is produced in appreciable amounts. Fructose-1-phosphate is acted upun by ALDOLASE B which breaks it into glecraldehyde and Dihydroxyacetone phosphate. both these enter glycolysis and since reactions catalyzed be hexokinase and epecially PFK-1 have been skipped in Fructose-1-phosphate metabolism hence glycolysis occurs faster ( PFK1 reaction is the main rate limiting step in glycolysis)
Why Hexokinase phosphorylated the glucose at first step of glycolysis?
The first step in glycolysis is catalyzed by hexokinase, an enzyme with broad specificity that catalyzes the phosphorylation of six-carbon sugars. Hexokinase phosphorylates glucose using ATP as the source of the phosphate, producing glucose-6-phosphate, a more reactive form of glucose.
Is glycolysis a stage of cell respiration?
Yes, glycolysis is the first step of respiration.
What is glycolysis and where does glycolysis occur?
Glycolysis is a 10-step pathway which converts glucose to 2 pyruvate molecules. The overall Glycolysis step can be written as a net equation:Glucose + 2xADP + 2xNAD+ -> 2xPyruvate + 2xATP + 2xNADH
