The committed step is the one after which the substrate has only one way to go. Because glycolytic intermediates feed into several other pathways, the regulation of glycolysis occurs at more than one point. This allows the regulation of several pathways to be coordinated.
<h3>What is glycolysis ?</h3>
A process through which cells partially break down glucose (sugar) via oxygen-free enzyme activities. One process that cells use to make energy is glycolysis.
- In glycolysis, sugar molecules are disassembled to produce the energy needed for cellular metabolism. It takes place in the cell's cytoplasm. Thousands of ATP molecules are produced during glycolysis and are utilised for several types of cellular metabolism.
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 The answer is brain and spinal cord
 
        
             
        
        
        
Answer:
Mass extinctions and background extinctions 
Explanation:
 
        
             
        
        
        
Compare: They are both living organisms.
contrast: Autotrophs make their own food. But heterotrophs can not make their own food.
        
                    
             
        
        
        
Answer:
Chytrids
Explanation:
chytrids are saphrotrophs, and have chitin cell walls and a posterior whiplash flagellum. They reproduce with zoospores that are capable of active movement through aqueous phases. For most members of chytrid group, asexual reproduction occurs through the release of these zoospores derived through mitosis. In some groups of chytrids, sexual reproduction is achieved through the fusion of isogametes. Chytrids are coenocytic with no distinction between individual cells. The filaments are long and tubular with a cytoplasm lining and large vacuole in the center. These single-celled organisms have branching hyphae with rhizoids.