17 results found

Search Results for: auxin

Plant Auxins – Phototropism & Geotropism

As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More

Auxin

Auxin (Science: plant biology) a group of plant growth substances (often called phytohormones or plant hormones), the most... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... 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

Apical Dominance

a condition where vertical growth supercedes lateral growth in a plant. this is controlled by auxins, where in high... Read More

Gibberellins and Gibberellic Acid

The family of gibberellins have a similar effect to that of auxins; they promote cell division and elongation. The major... Read More

Lights’ Effect on Growth

Plants are the primary producers of energy in any ecosystem, meaning that they bring in new energy to it which supports... Read More

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... 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

Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a day to... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Phytohormones

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

Phototropism

Definition noun, plural: photoropisms Growth or movement response of a cell or an organism to light Supplement In general,... Read More

Primary cell wall

Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More

Ethylene

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

Hormone

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

photobiology

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