157 results found

Search Results for: mean

Law of regression to mean

Law of regression to mean --> Galton's law in a population mating at random, the progeny of a parent with an extreme... Read More

Mean vector

Definition noun A single cardiac vector that represents the average of all instantaneous vectors at a given... Read More

Regression of the mean

regression of the mean If, for a symmetrical population with a single mode, a measurement, selected because it is extreme,... Read More

Hypothetical mean strain

Hypothetical mean strain a hypothetical strain that possesses the characteristics of a calculated mean... Read More

Geometric mean diameter

Geometric mean diameter a measure of the central tendency of particle size composition of substrate materials sometimes used... Read More

Mean

mean (Science: statistics) average value calculated by taking the sum of all values and dividing by the total number of... Read More

Gorillas in our Midst – what it means

By Vicki Mozo Summary What's up with the gorilla on a basketball court perception test? If you have tried taking this... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Taxonomy

Taxonomy Definition The term "taxonomy" was developed from two Greek words, "taxis," meaning arrangement, and "nomia,"... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Standard deviation

standard deviation Statistical index of the degree of deviation from central tendency, namely, of the variability within a... Read More

Density dependent limiting factor

Definition noun A limiting factor of a population wherein large, dense populations are more strongly affected than small,... Read More

Obscure

obscure 1. Covered over, shaded, or darkened; destitute of light; imperfectly illuminated; dusky; dim. His lamp shall be put... Read More

Isotonic

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

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Independent variable

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

Environment

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

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More

Equation

Equation 1. A making equal; equal division; equality; equilibrium. Again the golden day resumed its right, And ruled in just... Read More

Sexual dimorphism

Sexual Dimorphism Definition Sexual dimorphism refers to the morphological differences (in form or appearance) between... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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

Flaccid

Flaccid Definition Biology – What is Flaccid? In botany, the term flaccid refers to a cell that lacks turgidity, i.e. it... Read More

Why Embryonic Stem Cell Use is Unethical

By Vicki Mozo Embryonic Stem Cell research offers a remarkable way to treat various disorders where conventional... Read More

Hydrophobic

Hydrophobic Definition The fear of mixing or reacting with water under a given set of reaction parameters is often referred... Read More

Dog

Dog 1. (Science: zoology) a quadruped of the genus Canis, especially. The domestic dog (c. Familiaris). The dog is... Read More

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More

Sun

sun (Science: botany) See sunn. 1. The luminous orb, the light of which constitutes day, and its absence night; the central... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Universe

(statistics) the entire aggregation of items from which samples can be drawn; it is an estimate of the mean of the... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Family traits

When one thinks of family, they often think of persons who are blood-related to each other as parents to their children and... Read More

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

De novo

De Novo Definition What is de novo? The term is an adverb and an adjective. As an adverb, it is used to denote that... Read More

Law of Independent Assortment

Law of Independent Assortment Definition The Mendelian inheritance principles are derived from and named after the monk,... Read More

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Inversion

Definition noun, plural: inversions (general) The reversal of state, form, position, direction, order, or course, such as... Read More

Anabolism

Anabolism Definition Metabolic processes involve the conversion of one molecule into another through a sequence of chemical... Read More