270 results found

Search Results for: simple

Simple squamous epithelium

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

Simple columnar epithelium

Definition noun, plural: simple columnar epithelia Simple epithelium composed of columnar epithelial cells Supplement A... 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

Simple cuboidal epithelium

Definition noun, plural: simple cuboidal epithelia Simple epithelium composed of cuboidal epithelial cells Supplement A... Read More

Simple fruit

Definition noun, plural: simple fruits A type of fruit that develops from a single or compound ovary with only one pistil... Read More

Sugar

Definition noun plural: sugars sug·ar, ˈʃʊɡɚ (1) Any monosaccharide or disaccharide, used especially by organisms... Read More

Monosaccharide

Definition noun plural: monosaccharides mon·o·sac·cha·ride, ˈmɒ.nəʊˈsæk.ə.ɹaɪd (biochemistry) A simple... Read More

Simple protein

simple protein protein that yields only alpha-amino acids or their derivatives by hydrolysis; e.g., albumins, globulins,... Read More

Simple

simple undivided, of a leaf, not divided into leaflets, of a hair or an inflorescence, not... Read More

Carbohydrate

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

Starch

Reviewed by: Todd Smith, PhD Starch Definition noun plural: starch, starches starch, stɑɹtʃ A... Read More

Polysaccharide

Reviewed by: Todd Smith, PhD Polysaccharide Definition noun plural: polysaccharides pol·y·sac·cha·ride,... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... 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

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Glycogen

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

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity  ... Read More

Pseudostratified columnar epithelium

Definition noun, plural: pseudostratified columnar epithelia A special type of columnar epithelium composed of a single... Read More

Single

Single 1. One only, as distinguished from more than one; consisting of one alone; individual; separate; as, a single star.... Read More

Stratified columnar epithelium

A stratified columnar epithelium (plural: stratified columnar epithelia) is a type of stratified epithelium in which the... Read More

Saccharide

Definition noun, plural: saccharides The unit structure of carbohydrates (i.e. an organic compound with a general chemical... Read More

Genotype

Genotype and Phenotype The contrasting terms genotype and phenotype are used to define the characteristics or traits of an... 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

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... 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

Concentration gradient

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

Disaccharide

Definition noun plural: disaccharides di·sac·cha·ride, daɪˈsækəɹaɪd (biochemistry) A (carbohydrate) composed of... Read More

Oligosaccharide

Definition noun plural: oligosaccharides ol·i·go·sac·cha·ride, ˌɒlɪɡəʊˈsækəɹaɪd (biochemistry) A... Read More

Biomolecule

Definition noun plural: biomolecules bi·o·mol·e·cule, ˈbaɪoʊ ˈmɑləkjul Any of the molecules produced by living... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Apoenzyme

Enzymes are biological catalysts that can increase the rate of chemical reactions in living organisms. Enzymes can only... Read More

Endosymbiotic theory

Endosymbiotic theory definition noun (evolutionary biology) A theory suggesting that the organelles such as mitochondria... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Fruit

Definition noun, plural: fruits (1) (botany) The seed-bearing structure in angiosperms formed from the ovary after... Read More

Taxonomy

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

De novo pathway

Definition noun, plural: de novo pathways (biochemistry) A biochemical pathway where a complex biomolecule is synthesized... Read More