41 results found

Search Results for: physiological reaction

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

Physiological Reaction

An automatic instinctive unlearned reaction to a... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More

Agonist

Definition noun, plural: agonists (pharmacology) A molecule that combines with a receptor on a cell to trigger physiological... Read More

Cryobiology: The Study of Life and Death at Low Temperatures

by Gregory M. Fahy, PhD Cryobiology -- usually thought of as the study of the effects of subfreezing temperatures on... 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

A proposal for robust temperature compensation of circadian rhythms

A proposal for robust temperature compensation of circadian rhythms Christian I. Hong*,†Emery D. Conrad‡, and John J.... Read More

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Hypothalamic theory

Definition noun A theory on emotion formulated by Walter Cannon in 1929 which states that the diencephalon, consisting of... Read More

Hydrogen-bond switching through a radical pair mechanism in a flavin-binding photoreceptor

Hydrogen-bond switching through a radical pair mechanism in a flavin-binding photoreceptor Magdalena Gauden,† Ivo H.... Read More

Cannons theory

Definition noun A theory on emotion formulated by Walter Cannon in 1929 which states that the diencephalon, consisting of... Read More

Fight or flight reaction

Definition noun The response or reaction of an animal to a situation perceived as a threat to its survival, which involves... Read More

The history of biochemistry in India

UD Deshmukh, GV Phatarphekar, SP DandekarDepartment of Biochemistry, Seth G. S. Medical College and K. E. M. Hospital,... Read More

Ketone Bodies Stimulate Chaperone-mediated Autophagy

ABSTRACT Chaperone-mediated autophagy (CMA) is a selective lysosomalprotein degradative process that is activated in higher... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Chronobiology

Definition noun A biological science that studies time-related phenomena in living organisms Supplement Chronobiology is a... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Oxygen

Definition noun plural: oxygens ox·y·gen, ˈɒksɪdʒən̩ (biochemistry) A colorless, odorless, gaseous element,... Read More

Process

Definition noun, plural: processes (general) A naturally occurring or designed sequence of changes of properties or... Read More

Fight-or-flight response

Definition noun The response or reaction of an animal to a situation perceived as a threat to its survival, which involves... Read More

Psychophysical

psychophysical Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in... Read More

A Quality Dog-Owner Relationship No Help To Storm-Phobic Canines

December 17, 2005 — Having a sympathetic owner did not lower the stress reaction of dogs that become anxious or fearful... Read More

Plants, Insects Play Cat And Mouse Game

Plants, Insects Play Cat And Mouse Game Plants and insects play a far more intricate game than we suspect, says a... Read More

Major Improvements Made In Engineering Heart Repair Patches From Stem Cells

University of Washington (UW) researchers have succeeded in engineering human tissue patches free of some problems that... Read More

James-Lange theory

Definition noun A theory on emotion by two independent psychologists William James and Lange in the year 1880s. The theory... Read More

Functional Sieve Element Protoplasts

Jens B. Hafke, Alexandra C.U. Furch, Marco U. Reitz and Aart J.E. van Bel* Plant Cell Biology Research Group, Institute of... Read More

Emergency theory

Definition noun A theory formulated by Walter Cannon in 1929 to depict the fight-or-flight response in animals. The theory... Read More

Biological rhythm

Definition noun, plural: biological rhythms A synchronized cyclic pattern demonstrated by an organism in response to a... Read More

Regulation of Biological Systems

Negative Feedback Control In animals such as ourselves, the internal environment of our bodies must have certain conditions... Read More

New Program Aims To Model Immune Responses And Key Infectious Diseases

A new program at the National Institute of Allergy and Infectious Diseases (NIAID), one of the National Institutes of... Read More

Adenosine monophosphate

Definition noun plural: adenosine monophosphates (biochemistry) A nucleotide composed of adenine, ribose and a phosphate... Read More

Siestas in space?

Siestas in space? HOUSTON - (Jan. 3, 2002) - Brief naps may prevent the effects of chronic sleep loss experienced by... Read More

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Does Environment Influence Genes? Researcher Gives Hard Thoughts On Soft Inheritance

August 8, 2006 — Organisms, including humans, all inherit DNA from generation to generation, what biologists call hard... Read More

Tissue repair

Definition noun The process of restoring the structural and physiological integrity after an injury Supplement Tissue repair... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Plants Use "Snorkels" To Survive Floods

When flooded by water, some plants rapidly send up shoots above the surface and use the new leaves as a kind of 'snorkel'. A... Read More