Search Results for: stress
Mitochondrial DNA – hallmark of psychological stress
We often hear that stress can be unsettling as it could make us ill when it becomes chronic and overwhelming. However, is... Read More
Abiotic stress
'''abiotic stress (Science: botany) Nonliving environmental factors (such as drought, extreme cold or heat, high winds) that... Read More
Biotic stress
Biotic stress (Science: biology) Living organisms which can harm plants, such as viruses, fungi, bacteria, and harmful... Read More
Shear stress
shear stress The force acting in shear flow expressed per unit area; units in the cGS system:... Read More
Hyperosmotic
Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More
Obligate aerobe
Before we define obligate aerobes, let us first understand and define aerobic organisms. Aerobic organisms are those that... Read More
Plant Water Regulation
A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More
Reactive oxygen species
Definition noun Chemically reactive molecules and ions of oxygen with an unpaired electron Supplement Reactive oxygen... Read More
Cryptomonad
Definition noun, plural: cryptomonads Any of the species belonging to Phylum Cryptophyta, and characterized by being aquatic... Read More
Catabolism
Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More
Physiological adaptation
If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More
Carbohydrate
Carbohydrate Definition A biomolecule refers to any molecule that is produced by living organisms. As such, most of them... Read More
Involuntary muscle
A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More
Adrenaline
A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve... Read More
Endoplasmic reticulum
Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More
Milk yields affected by music tempo
Dairy cows produce more milk when listening to REM's 'Everybody Hurts' or Beethoven's 'Pastoral Symphony' than when... Read More
Sugar Homeostasis
Blood Sugar Regulation As described in Cell Biology tutorials, the body requires volumes of glucose in order to create ATP.... Read More
Harris lines
Definition noun Lines near the end of a juvenile long bone (e.g. tibia), detected through radiographs (e.g. by X-ray), and... Read More
The biology of how the brain forgets
Our brain tends to forget things that we wish we would always remember. And yet, it cannot forget certain things we wish... Read More
Denaturation
Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More
Anchoring junction
Definition noun, plural: tight junctions A type of cell junction that is attached to components of the extracellular... Read More
Hyaline cartilage
Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More
Macula adherens
Definition noun A type of anchoring junction between neighboring cells forming a plaquelike site on the cell... Read More
Hemidesmosome
Definition noun, plural: hemidesmosomes A type of anchoring junction between neighboring cells forming a rivet-like links... Read More
Senescence
Senescence Definition Senescence is defined as biological aging. In cell biology, it refers to the cell wherein it is no... Read More
Cell immobilization
Definition noun (biotechnology) A process wherein cells (animal or plant cells) are fixed in a suitable matrix and are used... Read More
Turgor pressure
In biology, turgor pressure definition pertains to the pressure that is exerted by the fluid (e.g. water) against the cell... Read More
Spermiogenesis
Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More