360 results found

Search Results for: a chain

Food chain

Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More

A chain

A chain a polypeptide component of insulin containing 21 amino acyl residues, beginning with a glycyl residue... Read More

Cellular respiration

Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More

Hydrocarbon chain

Definition noun, plural: hydrocarbon chains A chain consisting of only carbon and hydrogen atoms Supplement A hydrocarbon... Read More

Chemical Composition of the Body

In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More

Translation

Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... Read More

Electron transport chain

Definition noun A group of compounds that pass electron from one to another via redox reactions coupled with the transfer... Read More

Valine

Amino acids are categorized into two groups based on the capability of the human body to synthesize them; essential and... Read More

Nucleic acid

Nucleic Acid Definition A nucleic acid refers to any of the group of complex compounds consisting of chains of monomers of... Read More

Fermentation

Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More

Polypeptide

Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More

Oxidative phosphorylation

Definition noun A metabolic pathway that generates ATP from ADP through phosphorylation that derives the energy from the... Read More

Immunoglobulin

Immunoglobulin Definition An immunoglobulin is a globulin molecule produced by the immune cells, for the body's defense... 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

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... Read More

Plant Metabolism

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

Polynucleotide

Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... Read More

Cellulose

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

Glycogen

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

Homology

In biology, homology refers to similarities caused by shared ancestry between two structures or genes from distinct species.... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Fructooligosaccharide

Definition noun plural: fructooligosaccharides fruc·to·ol·i·go·sac·cha·ride, ɪhɡəʊˈsækəɹaɪd An... Read More

Herbivore

Herbivore Definition A herbivore is the primary consumer of the food chain that usually occupies the second trophic level... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Decomposer

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

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Fatty acid

Definition noun plural: fatty acids'' fatty acid, ˈfætɪ ˈæsɪd Any of the group of a long chain of hydrocarbon... Read More

Side chain

side chain a chain of noncyclic atoms linked to a benzene ring, or to any cyclic chain compound, the atoms of an alpha-amino... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Genetic Control – On and Off Genes

Reviewed by: Mary Anne Clark, Ph.D.This lesson looks at the various factors involved that affect growth and... Read More

Mitochondrion

Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... 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

Peroxisome

Definition noun, plural: peroxiomes A cell organelle whose major function is for the breakdown of very long chain of fatty... Read More

Anaerobic respiration

Anaerobic Respiration Definition What is anaerobic respiration? Anaerobic (cellular) respiration is a respiratory process... Read More

Starch

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

Chemiosmosis

Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... Read More

Producer

Producer Definition Producers are organisms that can produce organic matter using an external energy source. They include... Read More

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More