Definition Anaerobic respiration is a cellular energy production process that happens without oxygen. As a result, it breaks down glucose to produce energy and generate metabolic byproducts. Expanded Explanation Anaerobic respiration is a vital biological process. It enables organisms, including certain bacteria, yeast, and muscle cells, to produce energy without requiring oxygen.. This process is […]
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Definition Mitochondria are organelles found in the cells of most eukaryotic organisms, often referred to as the ‘powerhouses of the cell’. They are responsible for producing adenosine triphosphate (ATP), the main energy currency of the cell. Expanded Explanation They are unique organelles in that they possess their own DNA, separate from the nuclear DNA of
Definition Sleep apnea is a sleep disorder characterized by pauses in breathing or shallow breaths during sleep. These pauses can last from a few seconds to minutes and occur repeatedly throughout the night. Expanded Explanation Sleep apnea is a common sleep disorder that affects the way a person breathes during sleep. It is primarily categorized
Definition ATP, short for adenosine triphosphate, is a complex organic chemical that fuels numerous processes in living cells. These processes include muscle contraction, nerve impulse propagation, and chemical synthesis. Expanded Explanation We often refer to ATP as the “energy currency” of the cell, acting as a potential energy storage. Transitioning to the process of hydrolysis,
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Definition Polysomnography is a type of sleep study that diagnoses sleep disorders by recording brain waves, oxygen levels in the blood, heart rate, and eye and leg movements during sleep. Expanded Explanation Importance Polysomnography is crucial in the field of sleep medicine. It helps in diagnosing conditions like sleep apnea, insomnia, restless legs syndrome, narcolepsy,
Definition Insomnia is a sleep disorder characterized by persistent difficulty in falling asleep, staying asleep, or achieving restful sleep, despite ample opportunity for sleep. Expanded Explanation Insomnia is a common sleep disorder that can significantly impact a person’s quality of life. It can be acute (short-term) or chronic (long-term), and its severity may vary from
Definition Glycolysis is a metabolic process in which glucose (a sugar) is broken down to produce energy in the form of ATP (adenosine triphosphate). Expanded Explanation Glycolysis is a crucial metabolic pathway that takes place in the cytoplasm of cells. During this process, one molecule of glucose is split into two molecules of pyruvate. This
Definition Sleep is a natural state of rest for the mind and body, marked by altered consciousness, reduced interaction with surroundings, and inactivity of nearly all voluntary muscles. Expanded Explanation Sleep is a complex and essential biological process that is crucial to human health and wellbeing. It provides the body and mind with an opportunity
Definition The Thermic Effect of Food (TEF), also known as dietary induced thermogenesis, is the energy expended by our bodies in order to consume (bite, chew and swallow) and process (digest, absorb, transport, metabolize and store) food. Expanded Explanation The Thermic Effect of Food (TEF) is a critical concept in understanding our body’s metabolic processes.
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Definition Metabolic Rate is the rate at which our bodies burn calories to sustain life functions. Expanded Explanation Metabolic Rate refers to the amount of energy or calories the body burns to maintain vital functions, such as heart rate, breathing, and body temperature, while at rest. It varies among individuals due to several factors, including
