86 results found

Search Results for: cellulose

Cellulose

Cellulose Definition Cellulose is a polysaccharide consisting of a linear chain of β (1→4) linked D-glucose units:... Read More

Diethylaminoethyl-cellulose

Definition noun (1) A positively charged resin used in ion-exchange chromatography for protein purification and... 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

Cellobiose

Definition noun plural: cellobioses cel·lo·bi·ose, ˌsɛləʊˈbaɪəʊz A disaccharide made up of two glucose... Read More

Polysaccharide

Polysaccharide Definition Biology Definition: A polysaccharide is a carbohydrate formed by long chains of repeating units... Read More

Secondary cell wall

Definition noun plural: secondary cell walls ˈsɛkənˌdɛɹi sɛl wɔːl The layer of the plant cell wall that forms... Read More

Chitin

Definition noun plural: chitin chi·tin, ˈkaɪtɪn (1) A polymer of nitrogen-containing polysaccharide (C8H13O5N)n... Read More

Glucose

Glucose occurs naturally and is ubiquitous. It is one of the three most common monosaccharides; the other two are fructose... Read More

Hydrophilic

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

Roughage

Definition noun plural: roughages rough·age, ɹʌf'ɪdʒ (1) A dietary fiber (2) Hay or any other coarse feed, such as... Read More

Primary cell wall

Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More

Microfibril

Definition noun, plural: microfibrils (1) (cell biology) A microtubule or microfilament within the cell; an extremely small,... Read More

Hydrogen bond

Definition noun plural: hydrogen bonds A type of chemical bond that is formed when the slightly positive hydrogen atom of... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Monosaccharide

Monosaccharide Definition In biology and biochemistry, a monosaccharide is a simple sugar that constitutes the building... Read More

Carbohydrate

Carbohydrate Definition A biomolecule refers to any molecule that is produced by living organisms. As such, most of them... Read More

Recalcitrant

Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More

A Balanced Diet – Carbohydrates and Fat

Alongside the numerous vitamins that are required as part of a healthy diet, we must also eat food containing a variety of... Read More

Monomer

Monomer Definition What is a monomer? Monomers can be defined as building blocks of a polymer, which is a structure... Read More

Light-independent reaction

The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More

Turgidity

Turgidity Definition Turgidity is the state of being turgid or swollen, especially due to high fluid content. In a general... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Polymer

Definition noun, plural: polymers (1) A compound made up of several repeating units (monomers) or protomers (2) The product... Read More

Charophyta

Charophyta is a taxonomic group (a phylum) comprised of green algae that live predominantly in freshwater habitats. Members... Read More

Plant Cells vs. Animal Cells

Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More

Tunicin

tunicin (Science: physiology) animal cellulose; a substance present in the mantle, or tunic, of the tunicates, which... Read More

Hydrophobic

Hydrophobic Definition The fear of mixing or reacting with water under a given set of reaction parameters is often referred... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Glycogen

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

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Sugar

Sugar Definition The term sugar is the generic term for any disaccharides and monosaccharides. Sugars are an essential... Read More

Starch

Starch Definition Starch is a polysaccharide (C6H10O5)n consisting of a large number of glucose monomers joined together... Read More

Lignin

Definition noun An organic substance that acts as a binder for the cellulose fibers in certain plants adding strength and... Read More

Middle lamella

Definition noun plural: middle lamellae ˈmɪdəl ləˈmɛl.ə A pectin-rich intercellular material that glues the... Read More

Turgor pressure

In biology, turgor pressure pertains to the pressure that is exerted by the fluid (e.g. water) against the cell wall. It is... Read More

Trophic level

In ecology, a trophic level pertains to a position in a food chain or ecological pyramid occupied by a group of organisms... Read More

Biomolecule

A molecule is an electrically neutral, group of atoms that can exist alone in a free state while its characteristic... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Hydrogen

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