191 results found

Search Results for: ph scale

PH scale

'''pH scale (chemistry) A scale ranging from 0 to 14 ph units, reflecting the concentration of hydrogen ions in solution. A... Read More

Mutation

Mutation is a permanent, heritable change in the nucleotide sequence or the process by which such a change occurs in a gene... Read More

Large-scale mutation

Definition noun, plural: large-scale mutations (genetics) A type of mutation several nucleotides of a gene within a large... Read More

PH Scale

(chemistry) p(otential of) H(ydrogen); the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per... Read More

Deletion mutation

Definition noun, plural: deletion mutations (genetics) A type of mutation wherein one or few nucleotide base pairs are... Read More

Small-scale mutation

Definition noun, plural: small-scale mutations (genetics) A type of mutation characterized by a change of one or few... Read More

Hydrophilic

Hydrophilic Definition What does a hydrophile or hydrophilic substances mean? If a molecule is “water-loving”, it is... Read More

Transition

Definition noun, plural: transitions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More

Diatonic

Diatonic Pertaining to the scale of eight tones, the eighth of which is the octave of the first. Diatonic scale, a scale... Read More

Gene

A gene is the fundamental, physical, and functional unit of heredity. The genes make up the sequences of DNA (genotypes).... Read More

Point mutation

Definition noun, plural: point mutations (genetics) A small-scale mutation characterized by a change of only one nucleotide... Read More

Hardness scale

Hardness scale a qualitative scale in which minerals are classified in order of their increasing hardness, based on the fact... Read More

Transversion

Definition noun, plural: transversions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More

Substitution mutation

Definition noun, plural: substitution mutations (genetics) A small-scale mutation characterized by a substitution of one or... Read More

Nucleotide deletion

Definition noun A deletion of a single nucleotide causing a shift in the reading frame of the codons in the mRNA, thus, may... Read More

Insertion (genetics)

In genetics, insertion refers to the type of mutation characterized by the insertion of one or few nucleotide base pairs to... Read More

Orange

orange 1. (Science: botany) The fruit of a tree of the genus citrus (Citrus Aurantium). It is usually round, and consists of... Read More

Udden-wentworth scale

Udden-Wentworth scale (Science: plant biology) A geometric scale of grain sizes which classifies particles of siliciclastic... Read More

Intervals

Interval scale like a temperature scale in centigrade or fahrenheit units, a scale on which the intervals are equal but... Read More

Chromosomal inversion

Definition noun, plural: chromosomal inversions A chromosomal aberration wherein a segment of a chromosome is reversed... Read More

Bad Moon Rising: the persistent belief in lunar connections to madness

Over and above Alina Iosif and Bruce Ballon I see the bad moon arising. I see trouble on the way. I see earthquakes... Read More

Kelvin

Kelvin (Science: unit) a temperature scale where zero degrees corresponds to absolute zero (no thermal energy), degrees have... Read More

Gaffky scale

Gaffky scale --> gaffky table a numerical rating for the classification of tuberculosis according to the number of tubercle... Read More

Albino

Definition noun, plural: albaninos An organism with albinism, which is a condition characterized mainly by a lack of or an... Read More

Sector

sector 1. (Science: geometry) A part of a circle comprehended between two radii and the included arc. 2. A mathematical... Read More

Track

track To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail; as, to track a... Read More

Diminish

Diminish 1. To make smaller in any manner; to reduce in bulk or amount; to lessen; opposed to augment or increase. Not... Read More

Microevolution

Definition noun, plural: microevolutions Evolution involving small-scale changes, i.e. within the species, occurring over a... Read More

Macroevolution

Definition noun, plural: macroevolutions Evolution happening on a large scale, e.g. at or above the level of a species, over... Read More

Scale

Scale A reduced or rudimentary leaf, for example surrounding a dormant bud, a thin flap of tissue, for example on the... Read More

Sampling Error

The deviation of a result in a scientific experiment from the true result. As a rule of thumb, larger scale experiments have... Read More

Benevolence

Benevolence 1. The disposition to do good; good will; charitableness; love of mankind, accompanied with a desire to promote... Read More

Temper

temper 1. The state of any compound substance which results from the mixture of various ingredients; due mixture of... Read More

Integumentary system

Definition noun The organ system consisting of the skin and associated structures such as the glands, hair, nails, scales,... Read More