30 results found

Search Results for: radical

Free radical

Free radical a chemically active atom or molecular fragment containing a chemical charge due to an excess or deficient... Read More

Radical

radical 1. (Science: chemistry) An atom or or electrically neutral group that has one or more unpaired electrons. 2.... Read More

Ion

We have been introduced to ions in varied fields of Science like Physics, Chemistry, and Biology. This article takes you on... Read More

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... Read More

Glycogen

Definition noun plural: glycogens gly·co·gen, glī′kə-jən A multi-branched polymer of glucose, mainly produced in... Read More

Disaccharide

Carbohydrates are organic compounds comprised of carbon, hydrogen, and oxygen, usually in the ratio of 1:2:1. They are one... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Catalase

Definition noun, plural: catalases An enzyme that catalyzes the decomposition of hydrogen peroxide into oxygen and... Read More

Mitochondrial DNA

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

Phosphate group

Definition noun, plural: phosphate groups (biochemistry) A functional group or radical comprised of phosphorus attached to... Read More

Aerotolerant

Aerotolerant Definition The term "aerotolerant" pertains to an organism that does not require oxygen for growth but can... Read More

Reactive oxygen species

Definition noun Chemically reactive molecules and ions of oxygen with an unpaired electron Supplement Reactive oxygen... Read More

Osteocyte

Osteocyte Definition The osteocyte is a mature bone cell. Other bone cell types are osteoprogenitor cells, osteoblasts, and... Read More

Carboxyl group

Definition noun -COOH: a functional group comprised of a carbonyl group and a hydroxyl group, and present in all carboxylic... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Oxidative phosphorylation

Definition noun A metabolic pathway that generates ATP from ADP through phosphorylation that derives the energy from the... Read More

Theory of Neuroscience

Nezih OKTAR Journal of Neurological Sciences (Turkish) 2006, Volume 23, Number 3, Page(s) 155-158. An Open Access... 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

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Hydroxylation

Hydroxylation Hydroxylate, to introduce hydroxyl into (a compound or radical) usually by replacement of... Read More

Hydroxyl

Hydroxyl (Science: chemistry) a compound radical, or unsaturated group, ho, consisting of one atom of hydrogen and one of... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Monad

monad 1. An ultimate atom, or simple, unextended point; something ultimate and indivisible. 2. (Science: philosophy) The... Read More

Pitcher

pitcher 1. A wide-mouthed, deep vessel for holding liquids, with a spout or protruding lip and a handle; a water jug or jar... Read More

Substitution

substitution 1. The act of putting one thing in the place of another, especially the chemical replacement of one element or... Read More

Valence

Definition noun, plural: valences (biology, immunology) The relative capability of a substance (e.g. antibody) to act... Read More

Neutral

neutral 1. Not engaged on either side; not taking part with or assisting either of two or more contending parties; neuter;... Read More

Basic

Basic 1. (Science: chemistry) Relating to a base; performing the office of a base in a salt. Having the base in excess, or... Read More

Revolution

revolution 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or... Read More

Chemical Composition of the Body

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