46 results found

Search Results for: atomic number

Atomic number

Atomic number (Science: chemistry) symbol z. The number of protons in the nucleus of an atom and also its characteristic... Read More

The Human Physiology

In order to fully understand the mechanisms of human physiology it is important to have an understanding of the chemical... Read More


Hydrogen is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of... Read More


Carbon is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of atom.... Read More


Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More


Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More


nuclide (Science: physics) A species of atom characterised by the constitution of its nucleus, which is specified by the... Read More

Heavy Atoms Can Help Destroy Tumor Cells

A new discovery has been made in cancer research. Researchers from the Laboratoire des collisions atomiques et... Read More


Isotope (Science: radiobiology) One of several nuclides having the same number of protons in their nuclei and hence having... Read More


Cobalt (Science: chemical) a trace element that is a component of vitamin b12. It has the atomic symbol co, atomic number... Read More


Chlorine (Science: chemical) chlorine. A greenish-yellow, diatomic gas that is a member of the halogen family of elements.... Read More

Aquaporins – the perfect water filters of the cell

Water regulation plays a crucial role in the human body. Water flux between cells is facilitated by proteins embedded in... Read More

Atomic mass

Atomic mass (Science: chemistry, physics) The mass of an atom relative to other atoms. The present-day basis of the scale of... Read More


sodium (Science: Chemistry, element) Sodium is a soft, silvery, highly reactive alkali metal which has an atomic number of... Read More

Evidence for Intelligent Design from Biochemistry

From a speech delivered at Discovery Institute's God & Culture Conference Michael J. Behe Discovery Institute August... Read More

Nanotechnology Innovation May Revolutionize Gene Detection In A Single Cell

By controlling the exact position and location of the chemical bases within a synthetic replica of DNA, Yan... Read More

Reductionism and complexity in molecular biology

  Marc H.V. Van Regenmortel1   1Marc H. V. Van Regenmortel is at the Ecole Supérieure de Biotechnologie de... Read More

Inorganic Chemistry

Inorganic Chemistry      ... Read More


Radioactivity (Science: radiobiology) The quality of emitting or the emission of corpuscular or electromagnetic radiations... Read More

Refractive index

refractive index (Science: microscopy) The ratio of the velocity of light in a vacuum to the velocity in some medium.... Read More

Memory in receptor–ligand-mediated cell adhesion

Memory in receptor–ligand-mediated cell adhesion Veronika I. Zarnitsyna*, Jun Huang*, Fang Zhang*, Yuan-Hung Chien,... Read More

Found: An Underlying Pattern

Published by biologyonline.com on March 29, 2009   Mathematics, statistics and computational methods are some of... Read More

Protein folding physics modeled at the atomic level

LOS ALAMOS, N.M., Oct. 14, 2002 - Researchers at Los Alamos National Laboratory and the University of... Read More

Tiny Tampa Bay Fish Key To Evolution Of Immune System

Tiny Tampa Bay Fish Key To Evolution Of Immune System Armed at first with nothing more than boots, a screen and a bucket,... Read More

The making and breaking of microtubules

How a nucleotide controls the flexibility of tubulin BERKELEY, CA -- Microtubules are active protein polymers critical to... Read More

Are We All Aliens? The New Case for Panspermia

By Robert Roy Britt Nestled safely inside the belly of a comet orbiting some unknown star, a microscopic alien sits... Read More

Statistical Thermodynamics: taking a walk on a landscape

Charles L. Brooks III, José N. Onuchic, David J. Wales C. L. Brooks III is in the Department of Molecular Biology, The... Read More

The Road to Reality: A Complete Guide to the Laws of the Universe

 The Road to Reality: A Complete Guide to the Laws of the Universe   ... Read More

Chemistry and Life: An Introduction to General, Organic and Biological Chemistry (6th Edition)

Chemistry and Life: An Introduction to General, Organic and Biological Chemistry (6th Edition)  ... Read More

How Bacteria Appear To Affect Arsenic Concentrations In Groundwater

Arsenic is a toxic, naturally occurring element that is sometimes found at high concentrations in well water. High arsenic... Read More

A 100%-complete sequence reveals unusually simple genomic features in the hot-spring red alga Cyanidioschyzon merolae

Hisayoshi Nozaki1, Hiroyoshi Takano2, Osami Misumi3,4, Kimihiro Terasawa5,6, Motomichi Matsuzaki1, Shinichiro Maruyama1,6,... Read More


weight 1. The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect... Read More

Scientists Make First Step Towards ‘Holy Grail’ Of Crystallography

         Scientists from Imperial College London and... Read More

Conceptual Physics (10th Edition)

Conceptual Physics (10th Edition)      ... Read More


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

Structure and Composition of the Fusion Pore

Abstract Earlier studies using atomic force microscopy (AFM) demonstrated the presence of fusion pores at the cell plasma... Read More

How Everything Works: Making Physics Out of the Ordinary

How Everything Works: Making Physics Out of the Ordinary      ... Read More

Biophysicists manipulate ‘zipper,’ reveal protein folding dynamics

Single-molecule, real-time measurements of a key biological process Biophysicists at TUM, the Technische Universitaet... Read More

Researchers Find Biological Clock For Smell In Mice

Biologists at Washington University in St. Louis have discovered a large biological clock in the smelling center of mice... Read More