Search Results for: equilibrium
Equilibrium
Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... 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
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... 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
Resting potential
Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... Read More
Generation of resting membrane potential
Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... 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
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
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Concentration gradient
What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... 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, and... 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
Hypertonic solution
Hypertonic Solution Definition Hypertonic solution is a relative term that describes the solution having a higher amount of... Read More
Community (biology)
Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More
Hardy-Weinberg law
Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... 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
Dissociation constant
Definition noun (1) A mathematical constant that describes the tendency of a large molecule to dissociate reversibly into... 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
Diffusion equilibrium
Definition noun The state in which the concentrations of the diffusing substance in the two compartments are the same or... Read More
Body fluid
Body Fluids Definition What is body fluid? Literally, body fluid is the fluid of the body. The adult human body is ~50-60%... Read More
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
Hardy-Weinberg principle
Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... 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
Monod-Wyman-Changeux model
Definition noun (biochemistry) A model used to describe the allosteric forms of cooperativity Supplement The... 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
Proprioception
Definition noun A sensory perception of motion and relative position of the body through the receptors in tissues such as... Read More
Hypertonic
Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... Read More