5 Questions
What term was first used to describe substances in animals as 'a chemical signal that are produced in one part of the body, transported to other parts, bind to specific receptors, and triggers responses to target cells and tissues'?
Synthesis‐transport‐action model
Which term refers to a group of endogenous, organic compound synthesized in one part of a plant and translocated to another part?
Phytohormones
What term was used to describe plant hormones as 'growth regulators/growth hormones/growth substances/growth factors'?
Growth regulators
Which term was used to describe plant hormones as 'enablers'?
Enablers
What term was used to describe plant hormones as 'transportable messenger substances'?
Transportable messenger substances
Study Notes
Hormone Terminology
- The term "hormone" was first used to describe substances in animals as "a chemical signal that are produced in one part of the body, transported to other parts, bind to specific receptors, and triggers responses to target cells and tissues".
- The term "hormone" refers to a group of endogenous, organic compounds synthesized in one part of a plant and translocated to another part.
- Plant hormones were initially described as "growth regulators", "growth hormones", "growth substances", or "growth factors".
- Plant hormones were also referred to as "enablers".
- Another term used to describe plant hormones is "transportable messenger substances".
Test your knowledge of plant hormones and growth regulators with this quiz. Explore the role of hormones in stimulating and regulating plant growth, from their origins to their impact on plant development.
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