Search Results for: drive
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
Chemiosmosis
Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... Read More
CRISPR DIY – biohacking genes at home
Have you ever thought of changing yourself for the better -- genetically-speaking? Lately, CRISPR company has been selling a... Read More
Respiration rate
Respiration Rate Definition Respiration rate is a vital life process that expresses the breathing rate in an organism... Read More
Density dependent limiting factor
What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... 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
Ecological niche
Ecological Niche Definition An ecological niche refers to the interrelationship of a species with all the biotic and... Read More
Passive transport
Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More
Calvin-Benson-Bassham cycle
Definition noun A cyclical series of biochemical reactions that occur in the stroma of chloroplasts during... Read More
Calvin-Benson cycle
Definition noun A cyclical series of biochemical reactions that occur in the stroma of chloroplasts during... Read More
Divergent evolution
Divergent Evolution Definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More
Chemotroph
Chemotroph Definition A chemotroph refers to an organism that obtains energy mainly from carbon dioxide and from... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Biotic factor
Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More
Chemiosmotic coupling hypothesis
Definition noun A theory postulated by the biochemist Peter Mitchell in 1961 to describe ATP synthesis by way of a proton... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Photosystem II
Definition noun The photosystem that absorbs light for use to drive the oxidation of water and the reduction of... Read More
Outwelling
Definition noun Outflows of organic carbon particulates that tend to expel salt, silicate, nitrate and orthophosphate from... Read More
Interspecific competition
Interspecific Competition Definition In Biology, competition is defined as the process that occurs among species that have... Read More
Simple diffusion
Diffusion is essential in the anatomy and physiology of a living thing, especially with regard to homeostasis. It is one of... Read More
Bacterioplankton
Definition noun The bacterial component of plankton of aquatic ecosystems Supplement Plankton pertain to the small organisms... Read More
Analogous structures
Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More
Adaptive evolution
Definition noun A kind of evolution that involves evolutionary changes that are adaptive to a particular... Read More
Dehydration reaction
What is dehydration synthesis? A dehydration reaction is a form of biochemical reaction wherein a water molecule is lost or... Read More
Plant Cells vs. Animal Cells
Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... 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
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Cell Structure
The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More
Homeostatic Mechanisms and Cellular Communication
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Sex Reversal – When Males Grew Ovaries Instead of Testes
Summary: Sex reversal is not unusual in some animals, especially in invertebrates. As for the vertebrates, there are... Read More
Concentration gradient
What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... Read More
SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)
Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004) Introduction: It has been... Read More
Limiting factor
Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... Read More
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