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Search Results for: energy

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

Light-dependent reaction

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

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

ATP & ADP – Biological Energy

ATP stands for adenosine triphosphate, and is the energy used by an organism in its daily operations. It consists of an... Read More

Activation energy

Definition noun The amount of energy (in joules) needed to convert all the molecules in one mole of a reacting substance... Read More

Energy

Reviewed by: Todd Smith, PhD Definition noun, plural: energies (1) The capacity for work. (2) The ability to do... Read More

Plant Metabolism

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

Potential energy

potential energy (Science: chemistry) energy due to position, it is stored energy which can be used to do work. The... Read More

Catabolism

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

Light energy

Definition noun A form of energy consisting of particle-like photons with wavelike properties, and in which affects the... Read More

Fermentation

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

Anabolism

Anabolism Definition Metabolic processes involve the conversion of one molecule into another through a sequence of chemical... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Energy coupling

Definition (1) Transfer of energy from catabolism to anabolism, or transfer of energy from exergonic process to endergonic... Read More

Energy Flow

Energy Flow The movement of energy around an ecosystem by biotic and abiotic means. Ecological pyramids (food chains) is... 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

Anaerobic respiration

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

Fecundity

Fecundity Definition The meaning of fecundity is the reproductive rate (fecundity rate) or the performance of an individual... Read More

Biotic factor

Biotic Factor Definition Biotic factors (also known as biotic components) are the living component in an ecosystem. The... Read More

Conservation of energy

Conservation of energy The principle that the total amount of energy in a closed system remains always the same, none being... Read More

Active transport

Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... 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

Chemiosmosis

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

Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the means that primary producers (mostly plants) can obtain energy via light energy. The energy gained... Read More

Adenosine triphosphate

Adenosine Triphosphate Definition noun plural: adenosine triphosphates (biochemistry) An organic compound that is... Read More

Sugar

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

Carbohydrate

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

High Energy Bond

A type of bond in a molecule that is in a high energy state, such as atp compared to adp, atp has much more energy... Read More

Solar energy

solar energy energy transmitted from the sun in the form of electromagnetic... 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

Glucose

Glucose occurs naturally and is ubiquitous. It is one of the three most common monosaccharides; the other two are fructose... Read More

Heterotroph

Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... 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

Carrier protein

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

Obligate aerobe

Before we define obligate aerobes, let us first understand and define aerobic organisms. Aerobic organisms are those that... Read More

Embden-Meyerhof-Parnas pathway

Definition noun A glycolytic pathway whereby glucose is metabolized and converted ultimately to pyruvate, and results in a... Read More

Living things

Living Things Definition A living things pertains to any organism or a life form that possesses or shows the... Read More