18 results found

Search Results for: ethylene

Ethylene

Ethylene (Science: chemical plant biology) plant growth substance (phytohormone, plant hormone), involved in promoting... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Triple response

Definition noun (immunology) The three cardinal circulatory responses of the skin (i.e. reddening, flare formation or... Read More

Abscission

Definition noun (botany) The normal shedding of a senescent plant part or organ (e.g. old leaf or ripe fruit) (zoology) The... Read More

Methods of Breaking Seed Dormancy

Definition of Seed Dormancy: Non – germination of seeds due to absence of suitable conditions is termed as dormancy.... Read More

Cell Biology

The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas... 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

Unsaturated fatty acid

Definition noun, plural: unsaturated fatty acids The unsaturated fatty acid is a form of fatty acid containing one or more... Read More

Climacteric

Climacteric (Science: plant biology) a particular stage of fruit ripening, characterised by a surge of respiratory activity... Read More

Phytohormones

phytohormone --> plant growth substances (Science: plant biology) substances that, at low concentration, influence plant... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Etherol

Etherol (Science: chemistry) An oily hydrocarbon regarded as a polymeric variety of ethylene, produced with etherin. Origin:... Read More

Double bond

Double bond (Science: chemistry) a covalent bond resulting from the sharing of two pairs of electrons; e.g., H2C==CH2... Read More

Hydrophilic

Hydrophilic Definition What does a hydrophile (or hydrophilic molecule) mean? If a molecule is “water-loving”, it is... Read More

Hormone

Definition noun, plural: hormones (physiology) Any of the substances produced and secreted by an endocrine gland, and then... Read More

Plant Cell Defense

Hydrogen Peroxide Plants release hydrogen peroxide in response to the presence of a fungal invasion, which attacks by... Read More