Table of Contents Arthropods Definition An invertebrate animal with a chitinous exoskeleton and numerous jointed limbs that belong to the Arthropoda phylum. The Greek word árthron, which means "joint," is…
Table of Contents Cell Membrane Definition Cell Membrane is the outer membrane of the cell, which is made up of two layers of phospholipids with embedded proteins, separates the cell's…
Table of Contents Chromatin Definition Chromatin is a nucleic acid (DNA or RNA) and protein combination (e.g. histones). It was discovered in 1882. Originally considered to be merely a colourful…
Table of Contents Coenzyme Definition Coenzyme is a molecule necessary for catalysis of a chemical reaction by a specific enzyme. Many are produced from vitamins, particularly water-soluble vitamins that have…
Table of Contents Dominant Definition In biology, the terms dominant or dominant characteristic are frequently used. The broad definition of dominant is "in command." Other definitions include commanding conduct, being…
Table of Contents Growth Definition Growth (biology definition) is the unstoppable rise in the size of an organism through time. Development and maturity are synonyms. What is Growth? Growth is…
Table of Contents Life Definition The ability of a living creature to distinguish itself from a dead organism or a non-living entity, as evidenced by its ability to grow, metabolise,…
Table of Contents Enzyme Definition A biomolecule that speeds up particular chemical processes by acting as a catalyst. Proteins and RNA (ribozymes) molecules are both examples of enzymes. What is…
Table of Contents Genetic Engineering Definition Genetic engineering is a technique for selecting and implanting a specific gene into a recipient organism. As a result, the cell that got such…
Table of Contents Genetic Material Definition Cellular material capable of self-propagation and variation that plays a key role in shaping the structure and type of cell substances. A gene, a…