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
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
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
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
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
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
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