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Hexokinase, that catalyzes the first irreversible step of glycolysis, is inhibited by glucose 6-phosphate. Thus when PFK is inhibited and fructose 6-phosphate builds up and so does glucose 6-phosphate due to these two metabolites are in equilibrium by phosphoglucoisomerase. Hexokinase inhibition then reinforces the inhibition at the PFK step. At first sight this seems commonly as it is usually the first irreversible step of a pathway (the committed step) that is the major control step. On this basis, it may appear in which hexokinase should be the main control enzyme not PFK. Furthermore, glucose 6-phosphate the product of the hexokinase reaction can also feed into glycogen synthesis or the pentose phosphate pathway. Thus the first irreversible step which is exclusive to glycolysis is which catalyzed by PFK and therefore this is the main control step.
Q. What is the rule for the pairing of nitrogen-containing bases in the DNA molecule? And in the RNA? Is this the last question appropriate? The rule for the pairing of nitroge
A complete motor neuron is removed from a frog and placed in a large volume of normal physiological saline. The neuron is healthy; it has a stable resting voltage of -70 mill
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What are the parts of Nervous system Nervous system is divided into three main parts: 1) The brain and spinal cord or Central Nervous System (CNS). 2) The nerves or Peri
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What is the cause of the immunodeficiency presented by AIDS patients? The cause of the immunodeficiency shown by AIDS patients is the destruction of CD4 T helper lymphocytes by
The first evidence of implants dates back to 600 A.D. in the Mayan population. There are reports that the ancient Egyptians attempted intra-osseous implantation of animal teeth or
Energy Input in Ecosystem Survival and functioning of ecosystem is dependent on the input of energy. Continuous availability of energy is essential for supporting diverse ecos
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