282 results found

Search Results for: temperature

Molecular Basis of Temperature-Dependent Gender of Red-Eared Slider Turtle

Imagine a child inside a womb with a sex yet to be decided not by the pair of sex chromosomes but by the ambient temperature... Read More

Temperature Regulation in Animals

Control of Temperature in Homeotherms Animals capable of temperature regulation within a given range are deemed homeotherms... Read More

Thermophile

Thermophiles Definition What are thermophiles? Let us first understand the literal meaning of the word ‘thermophile’.... Read More

Melting temperature of dna

melting temperature of DNA --> denaturation temperature of DNA That temperature at which, under a given set of conditions,... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Temperature

Temperature (Science: chemistry) temperature is proportional to the average random kinetic energy of ideal gases. The degree... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Room temperature

room temperature The ordinary temperature (65? to slightly less than 80?F, 18.3? to 26.7? C) of the atmosphere in the... Read More

Abiotic factor

There are several factors that shape the environment. This article is focused on what abiotic factor is and how it... Read More

Minimum temperature

minimum temperature In bacteriology, denoting a temperature below which growth will not take... Read More

Maximum temperature

maximum temperature In bacteriology, denoting a temperature above which growth will not take... Read More

Temperature Regulation

The ability of an organism to regulate its internal temperature to a particular level, such as the 37n degree celsius... Read More

Environment

Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More

Freshwater Communities & Lentic Waters

Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Vmax

Vmax Definition Vmax is the maximal reaction rate or velocity of an enzymatically catalyzed reaction when the enzyme is... Read More

Mesophile

Definition noun, plural: mesophiles An organism that lives and thrives at moderate temperatures Supplement A mesophile is an... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Heating curve

Definition noun A plot of temperature versus time, showing the amount of energy a substance has absorbed with increasing... Read More

Psychrophile

Definition noun, plural: psychrophiles An organism that thrives in cold temperatures, i.e. ranging from −20 °C to +10... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Hyperthermia

Definition noun A condition in which the body temperature is higher than the normal range Supplement Hyperthermia pertains... Read More

C4 plant

Carbon fixation is a process of taking carbon dioxide in order to synthesize sugar, such as glucose. Thus, carbon dioxide is... Read More

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Diaphoresis

What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More

Hyperpyrexia

Definition noun An extremely high fever that is greater than or equal to 41°C (105.8°F) Supplement Hyperpyrexia is a fever... Read More

Thermometer

thermometer (Science: physics) An instrument for measuring temperature, founded on the principle that changes of temperature... Read More

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Abiotic Factors – Water Conditions

Evidently, the light and heat from the sun play an important role in providing suitable conditions. However, the water... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or breakdown of the dead organism are known as... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Heat

Definition noun (1) A form of energy that is transferred from between objects due to a temperature difference; the thermal... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More