337 results found

Search Results for: side chain

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

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

Polypeptide

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

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. What is... 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

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

Phosphorylation

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

Fermentation

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

Hydrocarbon chain

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

Cellulose

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

Herbivore

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

Plant Metabolism

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

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

Facultative anaerobe

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

Peroxisome

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

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Anaerobic respiration

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

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

Mitochondrion

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

Micromolecule

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

Freshwater Producers and Consumers

There are four main constituents of the living environment that form the freshwater ecosystem, they are as follows. ... Read More

Freshwater Community Energy Relationships – Producers & Consumers

The previous tutorial on producers and consumers noted the reliance that organisms have on one another to obtain energy to... Read More

Immunoglobulin

Definition noun, plural: immunoglobulins (1) Any of several classes of structurally related glycoproteins in the blood... Read More

Proteoglycan

What are proteoglycans? Proteoglycans are primarily a type of polysaccharide. Structurally, proteoglycans are... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Oxidative phosphorylation

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

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Phospholipid

What is a phospholipid? Phospholipids are a subgroup of lipids. Other major types of lipids are fatty acids, sphingolipids,... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Secondary consumer

Definition noun, plural: secondary consumers Any organism that consumes or feeds largely on primary consumers, as well as... Read More

Isopeptide bond

Definition noun, plural: isopeptide bonds A peptide bond formed between a carboxyl group of one amino acid and an amino... Read More

Glycocalyx

What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More