BIOLOGICAL CLOCKS Meaning and
Definition
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Biological clocks are internal timing mechanisms that regulate various physiological and behavioral processes in living organisms. These clocks are an inherent feature of most organisms, ranging from simple bacteria to complex mammals, including humans. They help to synchronize an organism's internal activities with the external environment, including day and night cycles, seasonal changes, and other periodic events.
Biological clocks are primarily controlled by an intricate network of genes and proteins that interact with each other in a feedback loop. These clock genes are expressed and suppressed at different times, creating a cycle of activity and rest. This cycle is often referred to as the circadian rhythm, which is approximately 24 hours long. However, some organisms have biological clocks with cycles that are shorter or longer than 24 hours, reflecting adaptations to their specific environments.
The circadian rhythm influences a wide range of biological functions, such as sleep-wake cycles, hormone production, body temperature, metabolism, and immune response. Disruptions to the circadian rhythm can lead to various health problems, including sleep disorders, mood disorders, metabolic disorders, and impaired cognitive function.
Research on biological clocks has contributed to our understanding of how organisms adapt and survive in their respective environments. It has also paved the way for advancements in fields like chronobiology, which focuses on the study of biological rhythms, and has implications for human health, environmental conservation, and agriculture.
Common Misspellings for BIOLOGICAL CLOCKS
- viological clocks
- niological clocks
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- buological clocks
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- bioligical clocks
Etymology of BIOLOGICAL CLOCKS
The term "biological clocks" is a combination of two words: "biological" and "clocks".
The word "biological" is derived from the Greek words "bios" meaning "life" and "logos" which means "study" or "knowledge". It was coined by the German physiologist Gottfried Reinhold Treviranus in 1802 to describe the study of living organisms.
The word "clocks" has its origins in the Old French word "cloche" which meant "bell". Over time, it evolved into "clocke" in Middle English, referring to a device that indicates the time by means of hands moving around a dial or a bell sounding at regular intervals.
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