63 results found

Search Results for: solute

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Solute

Definition noun , plural: solutes (chemistry) 1. a component of a solution: in a solution, the dissolving substance is... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Hyperosmotic

Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More

Turgidity

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

Tonicity

Definition noun (1) A property of a solution that depends on the osmotic force exerted across the membrane as influenced by... Read More

Plasmolysis

Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More

Solubility

Definition noun (1) The quantity of a particular substance (solid, liquid, or gas solute) that can dissolve in a particular... Read More

Isotonicity

Definition noun The state of being isotonic, or having equal tension or tonicity Supplement In biology, tonicity pertains to... Read More

Concentration

Definition noun (1) The measure of the amount of a sub-component (especially solute) in a solution (2) The ratio of the mass... Read More

Flaccid

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

Osmosis

Osmosis is the net movement of solvent molecules through a semipermeable membrane. It is similar to diffusion as the... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

Solution

Definition noun, plural: solutions (chemistry) A type of homogenous mixture in which the particles of one or more substances... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More

Hypotonic

Definition adjective (1) Having a lesser degree of tone, tension or tonicity (2) Having a lesser osmotic pressure in a fluid... Read More

Solvent

Definition noun (Science: Chemistry) 1. A liquid in which substances (or solutes) are dissolved forming a solution. 2. In a... Read More

Hypertonic

Definition adjective (1) Having a greater degree of tone, tension or tonicity (2) Having a greater osmotic pressure in a... Read More

Passive transport

Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More

Turgor pressure

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

Contractile vacuole

Definition noun, plural: contractile vacuoles (cell biology) A specialized vacuole of eukaryote cells, especially protozoa,... Read More

Hypertonicity

Definition noun The state of being hypertonic, i.e. having a greater degree of tone or tension Supplement In biology,... Read More

Hypotonicity

Definition noun The state of being hypotonic, i.e. having lesser degree of tone or tension Supplement In biology, tonicity... Read More

Saline solution

Definition noun, plural: saline solutions A salty solution prepared by dissolving sodium chloride (table salt, NaCl) by... Read More

ATPase

Definition noun, plural: ATPases An enzyme that catalyzes the hydrolysis or decomposition of ATP into ADP and a free... Read More

Sweat

Definition noun The fluid or moisture secreted from the sweat glands to the surface of the skin (through skin pores)... Read More

Aqueous solution

Definition noun, plural: aqueous solutions A solution wherein water is the dissolving medium or solvent Supplement Solution,... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More

Normality

Definition noun (1) The state of being normal or conforming to what is typical or usual. (2) (chemistry) The concentration... Read More

Cellular Biophysics, Vol. 1: Transport

Cellular Biophysics, Vol. 1: Transport     ... Read More

Tight junction

Definition noun, plural: tight junctions A type of cell junction formed between epithelial cells of vertebrates wherein the... Read More

Ultrafiltration

Definition noun (1) A high pressure filtration through a semipermeable membrane in which colloidal particles are retained... Read More

Sieve plate

Definition noun, plural: sieve plates The perforated transverse wall between two sieve elements in vascular plants... Read More

Simple diffusion

Simple Diffusion Definition What is simple diffusion? In biology, simple diffusion is a form of diffusion that does not... Read More

Suberin

Definition noun, plural: suberins (botany) A lipophilic complex polyester biopolymer that occurs in the cell... Read More

Casparian strip

Definition noun (botany) A strip or a band of cell wall material around the walls of endodermal cells of... Read More

Apoplast

Definition noun, plural: apoplasts (botany) The space in between the cells, such as that in the root of a plant, creating a... Read More

Symplast

Definition noun, plural: symplasts (botany) A system of interconnected protoplasts contained by plasmalemma, and linked by... Read More