77 results found

Search Results for: variable

Independent variable

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

Dependent variable

Definition noun, plural: dependent variables (mathematical modeling) The variable in a functional relation whose value is... 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

Control variable

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

Variable

Definition noun, plural: variables (1) Something that varies or have no fixed quantitative value. (2) A quantity that... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Discrete random variable

Discrete random variable a random variable that may assume a countable number of values, each with a probability strictly... Read More

Moderator variable

moderator variable A variable that interacts by virtue of being antecedent or intermediate in the causal... Read More

Variable region

variable region --> V region (Science: molecular biology) Those regions in the amino acid sequence of both the heavy and... Read More

Homeostatic Mechanisms and Cellular Communication

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

Immunoglobulin

Immunoglobulin Definition An immunoglobulin is a globulin molecule produced by the immune cells, for the body's defense... Read More

Hypothesis

What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... Read More

Transfer ribonucleic acid

Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More

Feedback mechanism

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

Exogenous

Exogenous Definition Exogenous is a word referring to a factor or event coming or contributing from outside a defined... Read More

Dichotomous

Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More

Control

Definition noun, plural: controls (general) That which purposefully direct, manipulate, manage, regulate, restrain, or cause... 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

Deterministic model

Definition noun A mathematical representation in which every variable alters according to a mathematical formula, and not to... Read More

Providencia rettgeri

Definition noun Species of the genus Providencia frequently associated with hospital-acquired infections of the urinary... Read More

Microsatellite

Definition noun, plural: microsatellites (molecular biology) A tandem repeat ranging in length from 1 to 6 base pairs,... Read More

Minisatellite

Definition noun, plural: minisatellites (molecular biology) A tandem repeat ranging in length from 10 to 60 base pairs,... Read More

Gradient

Definition noun, plural: gradients (1) A slope, which may be upward or downward. (2) The degree of steepness or inclination,... Read More

Differentiation

Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... Read More

Controlled experiment

Definition noun A scientific investigation in which both the control group and experimental group(s) are kept under... Read More

Carrying capacity

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

Focus

Definition noun, plural: foci (general) A central point (pathology) The central site in which a disease localizes or... Read More

Anticodon

The anticodon is a special code on tRNA that matches up with the instructions on the mRNA thus making sure that the... Read More

Selective Breeding

Reviewed by: Mary Anne Clark, PhDThousands of years before Darwin proposed evolution by natural selection and... Read More

Median

median (Science: statistics) Any value that divides the probability of a random variable in half, i.e. The probability of... Read More

First-order kinetics

What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More

Dextrin

Definition noun, plural: dextrins A carbohydrate that has a chemical formula of C18H32O16, used chiefly as a thickening... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More

Food chain

Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More

Positive feedback

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

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

IQ, Creativity and Learning

Evolution of Human Intelligence Humans, as evolved as we are, are the species most capable of exhibiting intelligence and... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More