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What reaction does the enzyme hexokinase catalyze?
Hexokinase catalyzes the phosphorylation of glucose to glucose-6-phosphate using ATP as a phosphate donor. This reaction is the first step in glycolysis and plays a crucial role in glucose metabolism in cells.
What are some examples of enzymes?
Hexokinase- This enzyme catalyzes the first reaction in glycolysis pathway.phosphotase- the enzyme that removes a phosphate group.Catalase- The enzyme that seperates peroxide (H2O2) into water and oxygen (H2O, O)As a rule of thumb, anything ending in the suffix -ase is 99.9% of the time an enzymeAmylase., Protease
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
The enzyme hexokinase catalyzes the first step of glycolysis, and is crucial to initiating the process and preventing the initial substrate from easily traveling out of the cell (as its pre-reaction structure is membrane permeable)?
Glucose, glucose-6-phosphate
Describe the first reaction in glycolysis Is this reaction catalyzed by an enzyme?
The first reaction in glycolysis is the phosphorylation of glucose to glucose-6-phosphate by the enzyme hexokinase. This reaction involves the transfer of a phosphate group from ATP to glucose, requiring energy for activation.
Whereabouts in the cell are the enzymes found that catalyze the reactions of glycolysis?
The enzymes that catalyze the reactions of glycolysis are found in the cytoplasm of the cell. This is where glycolysis takes place, as it is the first step in cellular respiration and does not require a membrane-bound organelle like the mitochondria.
What molecule is the reactant in the first reaction of glycolysis?
http://wiki.answers.com/Q/What_molecule_is_the_reactant_in_the_first_reaction_of_glycolysis"
What are the substaites of rubisco?
Some substitutes for rubisco include enolase, PEP carboxylase, and phosphoenolpyruvate (PEP) carboxykinase. These enzymes can have higher affinities for carbon dioxide, reducing the rate of photorespiration in plants.
What is the first reaction to occur during glycolysis?
The first reaction in glycolysis is the phosphorylation of glucose to glucose-6-phosphate by the enzyme hexokinase. This step consumes one molecule of ATP to phosphorylate glucose, making it more reactive for subsequent steps in glycolysis.
What are example of enzymes regulated by feed back?
Glucokinase is the enzyme responsible for phosphorylation of glucose in the first step of glycolysis. The glucokinase complex is modified by two different molecules: citrate and ATP. Citrate and ATP are both products of the sequence of reactions in aerobic respiration and are consequently products of glycolysis. As these two molecules' concentrations in the cell build up, they bind to the allosteric site of glucokinase and shut it down.
Is glycolysis a anabolic or catabolic reaction?
hey glycolysis is both an anabolic and a catabolic reaction, because at first, your are investing energy which is ATP, then you later harvest ATP with pyruvate (3C compound), and NADH. So it is both processes
What is the relationship between the cytoplasm of a cell and glycolysis?
Glycolysis occurs in the cytoplasm of the cell. It is the first step in cellular respiration that breaks down glucose into pyruvate, producing ATP in the process. The enzymes responsible for glycolysis are located in the cytoplasm where they catalyze the series of reactions that make up glycolysis.
