135 results found

Search Results for: constant

Dissociation constant

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

Association constant

Definition noun A mathematical constant that describes the bonding affinity between two molecules at... 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

Constant

Constant a quantity that, under stated conditions, does not vary with changes in the... Read More

Ki

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

Keq

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

Homeostatic Mechanisms and Cellular Communication

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

KD

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

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

Generation of resting membrane potential

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

Constitutive enzyme

Definition noun, plural: constitutive enzymes The enzyme synthesized at a relatively constant level. Supplement These... Read More

Vant hoffs law

van't Hoff's law In stereochemistry, all optically active substances have one or more multivalent atoms united to four... Read More

First-order kinetics

Definition noun An order of chemical reaction in which the rate of the reaction depends on the concentration of only one... Read More

Kcat

Definition noun Kcat (1) First-order rate constant, or the catalytic constant is a measure of Vmax / Et expressed in units... Read More

Tolerance

tolerance 1. The ability to endure unusually large doses of a drug or toxin. 2. Acquired drug tolerance, a decreasing... Read More

Controlled variable

Definition noun, plural: control variables A variable that remains unchanged or held constant to prevent its effects on the... Read More

Stable

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

Firm

Firm 1. Fixed; hence, closely compressed; compact; substantial; hard; solid; applied to the matter of bodies; as, firm... Read More

Homogenous

What is homogenous? What does homogenous mean? The word homogenous has been derived from two Greek words that are... 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

Immune response

Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... Read More

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Lights’ Effect on Growth

Plants are the primary producers of energy in any ecosystem, meaning that they bring in new energy to it which supports... Read More

Immunoglobulin

Definition noun, plural: immunoglobulins (1) Any of several classes of structurally related glycoproteins in the blood... Read More

Control variable

Definition noun, plural: control variables A variable that remains unchanged or held constant to prevent its effects on... Read More

Limiting factor

Limiting factor in biology refers to any of the factors (variables) in an environment capable of limiting a process, such as... Read More

Cytosol

Definition noun plural: cytosols cy·to·sol, ˈsaɪtəˌsɒl (cell biology) The liquid component of the cytoplasm... Read More

Phasic

phasic --> adaptation 1. (Science: cell biology) The adjustment of an organism to its environment or the process by which... Read More

The FIFTH MIRACLE: The Search for the Origin and Meaning of Life

 The FIFTH MIRACLE: The Search for the Origin and Meaning of Life    ... Read More

Homozygote

Definition noun, plural: homozygotes A nucleus, cell or organism where the alleles for a particular gene on each chromosome... Read More

Osmoregulation

Definition noun The process of regulating water potential in order to keep fluid and electrolyte balance within a cell or... Read More

Osmotic Potential

Definition noun (1) The potential of water molecules to move from a hypotonic solution (more water, less solutes) to a... Read More

Alkaline reaction

Alkaline reaction Any test by which an alkaline reaction is recognised, such as the change of red litmus paper to blue, an... Read More

Calcium metabolism

Calcium metabolism a set of biochemical processes which act to keep the level of calcium in the blood at a constant level,... 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

Pulsatile flow

pulsatile flow Rhythmic, intermittent propagation of a fluid through a vessel or piping system, in contrast to constant,... Read More

Constitutive gene

Definition noun, plural: constitutive genes A gene that is transcribed at a relatively constant level regardless of the cell... Read More

Kinetic molecular theory

Kinetic molecular theory (Science: chemistry) this theory assumes that molecules must collide in order to react. The more... Read More