77 results found

Search Results for: equilibrium

Equilibrium

Definition noun, plural: equilibriums or equilibria (1) The condition in which all acting influences are balanced or... Read More

Genetic equilibrium

Definition noun A condition where a gene pool is not changing in frequency because the evolutionary forces acting upon the... Read More

Secular equilibrium

secular equilibrium A type of radioactive equilibrium in which the half-life of the precursor (parent) radioisotope is so... Read More

Dynamic equilibrium

Definition noun A system in a steady state since forward reaction and backward reaction occur at the same... Read More

Punctuated equilibrium

Definition noun A theory that describes an evolutionary change happening rapidly and in brief geological events in between... Read More

Homeostatic equilibrium

Definition noun (1) The tendency of an organism or a cell to regulate its internal conditions, usually by a system of... Read More

Equilibrium constant

Definition noun The ratio in which the product of the concentrations of the products divided by the product of the... Read More

Hardy-Weinberg equilibrium

Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... Read More

Keq

Definition noun (1) The equilibrium constant for a reversible chemical reaction. (2) The ratio depicting the... Read More

Mechanical equilibrium

Definition noun A state of a physical system at rest or in unaccelerated motion, and where the sum of all forces and torque... Read More

Generation of resting membrane potential

Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... 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

Movement of Molecules Across Cell Membranes

Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More

A Look Into Natural Selection and its Mechanisms

Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé,... Read More

Stable

stable 1. Firmly established; not easily moved, shaken, or overthrown; fixed; as, a stable government. In this region of... Read More

Hardy-Weinberg law

Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... Read More

Ki

Definition (genetics) Gene knock-in, as in genetic engineering method (chemistry) A symbol for the dissociation constant of... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More

Positive feedback

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

Dissociation constant

Definition noun (1) A mathematical constant that describes the tendency of a large molecule to dissociate reversibly into... Read More

Physiological adaptation

If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More

Diffusion equilibrium

Definition noun The state in which the concentrations of the diffusing substance in the two compartments are the same or... Read More

Hardy-Weinberg principle

Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... Read More

Proprioception

Definition noun A sensory perception of motion and relative position of the body through the receptors in tissues such as... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Gene pool

Definition noun, plural: gene pools (population genetics) The total number of genes of every individual in an interbreeding... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Pyruvate

Pyruvate Definition Pyruvates have been often recognized as one of the most important molecules that are frequently... Read More

Vibration

vibration 1. The act of vibrating, or the state of being vibrated, or in vibratory motion; quick motion to and fro;... Read More

Ecosystem Succession

Just one of the amazing aspects of life on Earth is that it spreads to all areas where the habitat will allow it to survive.... 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

Monod-Wyman-Changeux model

Definition noun (biochemistry) A model used to describe the allosteric forms of cooperativity Supplement The... Read More

KD

Definition noun (biochemistry) An equilibrium constant for dissociation (biochemistry) An abbreviation for kilodalton, also... Read More

Electricity

Electricity Origin: cf. F. Electricite. See electric. 1. A power in nature, a manifestation of energy, exhibiting itself... Read More

Endangered ecosystems: Review on conservation status of Asian rivers

Physical, chemical or biological changes in the environment that will affect its equilibrium are indeed a need of thorough... 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

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More