Search Results for: energy flow
Light-dependent reaction
Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More
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
Energy Flow
Energy Flow The movement of energy around an ecosystem by biotic and abiotic means. Ecological pyramids (food chains) is... 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
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... 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
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Metabolism
Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More
Environment
Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More
Community (biology)
Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More
Equilibrium
Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More
Primary productivity
Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More
Chemiosmosis
Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... 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
Calvin cycle
Calvin Cycle Definition The Calvin cycle, also known as the Calvin Benson cycle or the dark reactions, is a series of... 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
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Cell theory
What Is Cell Theory? Biological cell theory explains the idea of organismal constitution, structure, and function. It... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Phosphorylation
Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... 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
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Muscular system
Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More
Hypertrophy
Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More
Characteristic
Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More
Hydrophobic
Hydrophobic Definition The fear of mixing or reacting with water under a given set of reaction parameters is often referred... Read More
Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and Biogeophysics)
Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and... 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
Pioneer species
You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More
Cell Respiration
As mentioned in the previous tutorial on ATP, the process of respiration is split into 3 distinct areas that occur at... Read More