115 results found

Search Results for: integrity

DNA integrity and motility of human spermatozoa after standard slow freezing versus cryoprotectant-free vitrification

DNA integrity and motility of human spermatozoa after standard slow freezing versus cryoprotectant-free vitrification E.... Read More


Integrity 1. Quality of being honest and morally upright, 2. Condition of being whole or undivided (a nations integrity, the... Read More

Ethics takes time, but not that long

Ethics takes time, but not that long Mats G Hansson1, Ulrik Kihlbom1,2, Torsten Tuvemo3, Leif A Olsen4 and Alina... Read More

Scientists should adopt codes of ethics, scientist-bioethicist says

WINSTON-SALEM, N.C. — The time is ripe for scientific organizations to adopt codes of ethics, according to a scientist... Read More


Enzymes can break down complicated large molecules into simpler smaller ones, they can combine small molecules or atoms to... Read More


Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Mathematical Modeling: Epidemiology Meets Systems Biology

Editorial Mathematical Modeling: Epidemiology Meets Systems Biology Cornelia M. Ulrich, H. Frederik Nijhout and Michael C.... Read More

Health Of Nation’s Water Supply May Be Found At The Head Of The River

February 2007 — Recent decisions by the U.S. Supreme Court have focused national attention on what bodies of water fall... Read More


Definition noun plural: microfilaments mi·cro·fil·a·ments, mī'krō-fil'ă-mĕnts A thin, helical, single-stranded... Read More

Vitamins – Uses – Deficiency Problems – Sources

  Fat soluble vitamins Chemical name / other names Main Source(s) Functions /... Read More

Study uses stream fish as indicators of water quality

Blacksburg, Va. - The U.S. Environmental Protection Agency (EPA) has approved a new partnership with Virginia Tech's... Read More

Mitochondrial DNA

Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More


In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

How cell fixes DNA damage

DNA repair strategies DNA is crucial to life. It carries the fundamental blueprint for the proper functioning of a cell.... Read More

Functional Sieve Element Protoplasts

Jens B. Hafke, Alexandra C.U. Furch, Marco U. Reitz and Aart J.E. van Bel* Plant Cell Biology Research Group, Institute of... Read More


Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More


Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as a... Read More


Nucleolus Definition noun plural: nucleoli nu·cle·o·lus, njuːˈkliːələs (cell biology) The round granular... Read More


Definition noun plural: uracils u·ra·cil, ˈjʊərəsɪl (biochemistry) A pyrimidine nucleobase in RNA that... Read More

Pulsatile flow

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

The Reluctant Mr. Darwin: An Intimate Portrait of Charles Darwin and the Making of His Theory of Evolution (Great Discoveries)

The Reluctant Mr. Darwin: An Intimate Portrait of Charles Darwin and the Making of His Theory of Evolution ... Read More

Uridine triphosphate

Definition noun plural: uridine triphosphates (biochemistry) A nucleotide composed of uracil, ribose and three phosphate... Read More

Marram Grass

A xerophyte plant commonly found on coastal sand dunes, which are usually one of the first pioneers to colonise the area in... Read More

Nuclear envelope

Definition noun plural: nuclear envelopes nu·cle·ar en·ve·lope, ˈn(j)ukliɚ ˈɛn.və.ləʊp The two layered membrane... Read More


Definition noun, plural: lysozymes A glycosidase that assists in the hydrolysis of glycosidic bond between N-acetyl muramic... Read More


Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More


Definition noun (cytology) The disintegration or rupture of the cell membrane, resulting in the release of cell contents or... Read More

Tissue fixation

Definition noun A histological technique used in preserving biological tissue specimens for later cytologic, histologic, or... Read More


Halo (Science: radiobiology) The cold, dense plasma formed outside the last closed flux surface during a vertical... Read More


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


Metabolism Definition noun The process involving a set of chemical reactions that modifies a molecule into another to... Read More

In situ hybridization

Definition noun A type of hybridization that detects and localizes the presence of specific DNA sequence within tissue... Read More


Definition noun (genetics) The state of being haploid, that is having half of the set of homologous chromosomes in somatic... Read More


Definition noun An assessment test performed to evaluate the upper extremity tonic balance (e.g. the functional integrity of... Read More

Thymidine monophosphate

Definition noun plural: thymidine monophosphates (biochemistry) A nucleotide composed of thymine, deoxyribose and a... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

First time! Human blood cell turned into a young sex cell

In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More

Impact of environment on people’s everyday experiences in Stockholm

Urban environments are made from stone, concrete, bricks and glass that showcase a succession of signs, shapes and... Read More