128 results found

Search Results for: absorption

Absorption

Definition noun, plural: absorptions The process of absorbing or assimilating substances into cells or across the tissues... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

Specific absorption coefficient

Definition noun A factor that measures the absorbance of light per unit of path length (of the spectrophotometer cuvette,... Read More

Absorption Spectrum

The spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain... Read More

Absorption chromatography

Absorption chromatography --> chromatography (Science: investigation) techniques for separating molecules based on... Read More

Absorption cell

Absorption cell a small glass chamber with parallel sides, in which absorption spectra of solutions can be... Read More

Alimentary canal

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

Assimilation

Assimilation Definition What is assimilation? Assimilation in biology is defined as the process in which living organisms... 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

Hydrophilic

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

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Beer-Lambert law

Definition noun The principal law in spectrometry in which it states that the absorbance at a given wavelength of light is... Read More

Fluorescence

Definition noun The absorption and the immediate re-emission of light or photon, which has longer wavelength when re-emitted... Read More

Epithelium

An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Desorption

Definition noun A process wherein a substance is released from another, either from or through the... Read More

Sarcoplasmic reticulum

Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More

Taxonomy

Taxonomy Definition The term "taxonomy" was developed from two Greek words, "taxis," meaning arrangement, and "nomia,"... Read More

Microvillus

Definition noun, plural: microvilli Any of the minute hairlike structures projecting from the exposed surface of the cell in... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Micromolecule

Micromolecules Definition How to define micromolecule? Micromolecules are relatively small molecules that are combined... Read More

Amphipathic

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

Osteoclast

Definition noun, plural: osteoclasts (cytology) A type of bone cell that is large, multinucleated, and associated with bone... Read More

Sorbitol

Definition noun plural: sorbitols sor·bi·tol, ˈsɔr bɪˌtɔl A sugar alcohol with a sweet taste, occurs naturally in... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Carotenoid

Definition noun, plural: carotenoids (botany) Any of the pigment molecules, typically yellow, red, and orange, that interact... Read More

Columnar epithelium

Definition noun, plural: columnar epithelia An epithelial tissue comprised of columnar epithelial cells, with or without... Read More

Simple epithelium

Definition noun, plural: simple epithelia An epithelial tissue comprised of a single layer of epithelial cells that are in... Read More

Egestion

Egestion is the act or process of voiding or discharging undigested food as faeces. To egest means to discharge undigested... Read More

Cell Biology

It only takes one biological cell to create an organism. In fact, there are countless species of single celled organisms,... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Effect of Chemicals on Growth & Development in Organisms

Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More

Kidneys and Regulation of Water and Inorganic Ions

Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... 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

Biological Cell Introduction

It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More