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Why does feedback inhibition occur at the beginning of a metabolic pathway instead of in the middle?
Feedback inhibition at the beginning of a metabolic pathway allows for rapid control of the pathway by regulating the initial enzyme activity, helping to prevent unnecessary accumulation of intermediates. This control mechanism is more efficient and direct compared to inhibiting enzymes in the middle of the pathway, which may lead to wasteful buildup of metabolites before regulation occurs.
The Krebs cycle is an example of which type of metabolic pathway?
The Krebs cycle is an example of an aerobic metabolic pathway, as it requires oxygen to function efficiently.
Which of the following statements about feedback regulation of metabolic pathways is correct?
Feedback regulation of metabolic pathways involves the inhibition of an enzyme by the end product of the pathway. This helps maintain homeostasis by preventing the overproduction of metabolites. This process is important for ensuring that a cell or organism does not waste resources on unnecessary synthesis.
What are the functions of excretion to the body?
Infact there are the significance of excretion.Firstly is the removal of unwanted by-products of metabolic pathway, removal of toxic wastes, and also regulation of ionic concentration, water content of the body fluids and lastly regulation of pH.
What does the term endogenous pathway mean?
The endogenous pathway refers to processes that occur within an organism, typically related to the body's internal regulation or production of substances. This can include metabolic pathways, signaling pathways, or gene expression processes that are intrinsic to the organism.
How do some inhibitors slow down metabolic pathways when the products of the pathways are not needed but still allow a pathway to proceed when the products are needed?
Some inhibitors bind to enzymes in a reversible manner, allowing them to detach when the products are needed and reattach when the products are not needed. This regulation ensures that the pathway can switch on and off based on the cell's requirements.
How is this ''metabolic pathway'' similar to the metabolic pathway of cellular respiration?
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What is the general features of allosteric regulation using the feedback inhibition?
enzymes situated at key steps in metabolic pathways are modulated by allosteric effectors these effectors are usually produced elsewhere in the pathway effectors may be feed-forward activators or feedback inhibitors kinetics are sigmoid ("S-shaped")
How is the metabolic pathway in which plants use sunlight to create their own food?
This metabolic pathway comes under anabolism and all biochemical reactions unitedly called photosynthesis.
What is a disadvantage of the entner-doudoroff pathway?
A disadvantage of the Entner-Doudoroff pathway is that it is less efficient in terms of ATP production compared to other metabolic pathways like glycolysis. This pathway is also not as widely used by organisms as other metabolic pathways, which can limit its metabolic flexibility.
Which metabolic pathway will be predominate after eating a balanced mea?
glycolysis
What metabolic pathway is common to aerobic and anaerobic process of sugar breakdown?
Glycolysis is the metabolic pathway common to both aerobic and anaerobic processes of sugar breakdown. It is the metabolic pathway that converts glucose into pyruvate. All organisms produce a high energy compound ATP by releasing energy stored in glucose and other sugars.
