17 results found

Search Results for: excited state

Excited state

Excited state (Science: chemistry, radiobiology) An atom or nucleus which possesses more energy than its ground state... 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

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... 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

photobiology

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

Luciferase

Definition noun, plural: luciferases Any of the group of enzymes that act on the oxidation of luciferin of bioluminescent... Read More

Luciferin

Definition noun, plural: luciferins A substrate for the enzyme luciferase, and whose reaction generates... Read More

Activation

Definition noun (general) The state or the process of being active and/or effective (biochemistry) The process of making a... Read More

Passions

passion 1. A suffering or enduring of imposed or inflicted pain; any suffering or distress (as, a cardiac passion);... Read More

Sensation

sensation 1. (Science: physiology) An impression, or the consciousness of an impression, made upon the central nervous... Read More

Phosphorescence

Definition noun The delayed emission of light at temperatures below incandescence, as a result of a previous light... Read More

Boil

Boil 1. To heat to the boiling point, or so as to cause ebullition; as, to boil water. 2. To form, or separate, by boiling... Read More

Selectively-permeable membrane

Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More

Ground state

Ground state (Science: chemistry, radiobiology) The state of a nucleus, atom or molecule at its lowest energy. All other... Read More

Warmth

warmth 1. The quality or state of being warm; gentle heat; as, the warmth of the sun; the warmth of the blood; vital warmth.... 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

Taste

taste 1. To try by the touch; to handle; as, to taste a bow. Taste it well and stone thou shalt it find. (Chaucer) 2. To try... Read More