Plant Respiration: Vital Metabolic Process in Plants
Plant respiration is a fundamental process in all living plant cells, essential for energy production and growth. It involves metabolic pathways like glycolysis and occurs in organelles like mitochondria. Explore the significance of plant respiration and its role alongside photosynthesis for plant survival.
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Presentation Transcript
Mega & Micro Mega & Micro Sporogenesis Sporogenesis by Suvasree Sahu
Megasporogenesis Plant respiration is a fundamental biological process that occurs in all living plant cells. It is the metabolic process through which plants obtain energy by breaking down organic molecules and releasing waste products, similar to respiration in animals. While photosynthesis is often associated with plants as the process that produces energy, respiration is equally vital for their survival and growth. Plant respiration takes place in various plant tissues and cellular organelles, primarily in mitochondria, and involves the exchange of gases, such as oxygen and carbon dioxide, with the surrounding environment.
Microsporogenesis Glycolysis: The process of respiration in plants starts with glycolysis, which occurs in the cytoplasm of plant cells. During glycolysis, a molecule of glucose, a six-carbon sugar, is broken down into two molecules of pyruvate, a three-carbon compound. This process requires an input of energy and yields a small amount of ATP. Transition Reaction: After glycolysis, in aerobic conditions (presence of oxygen), the pyruvate produced enters the mitochondria, where it undergoes a transition reaction. In this step, each pyruvate molecule is converted into acetyl-CoA, releasing carbon dioxide as a by-product.
