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it is an allosteric enzyme.
The sinoatrial node is considered the pacemaker of the heart.
Cell respiration is actually a negative feedback system. If too many ATPs are produced, they will go back to the beginning of the reaction (glycolysis) and act as allosteric inhibitors to phosphofructokinase. Citrate works in the same way to inhibit the phosphofructokinase present in glycolysis and in the Krebs Cycle. However, the rate of cell respiration can increase with increasing levels of ADP, which acts as an allosteric activator.
Phosphofructokinase-2 converts fructose-6-phosphate to fructose-2,6-bisphosphate.
Phosphofructokinase (PFK) is an enzyme that generates energy from carbohydrates during physical activity.
Glycolytic and TCA cycle
pacemaker is a pacemaker
Phosphofructokinase (PFK)
Phosphofructokinase
Photosynthesis is considered as the opposite of respiration.
in respiration energy is released so it is a exothermic reaction.
Someone with a respiration rate below 12rpm is considered bradypnoeic. Anyone with a respiration rate over 20rpm is considered tachypnoeic.