Definitions for chemotropism
kɪˈmɒ trəˌpɪz əmchemotropism

WiktionaryRate this definition:5.0 / 1 vote

1. chemotropismnoun

   the movement or growth of an organism in response to a chemical stimulus

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1. Chemotropism

   Chemotropism is defined as the growth of organisms navigated by chemical stimulus from outside of the organism. It has been observed in bacteria, plants and fungi. A chemical gradient can influence the growth of the organism in a positive or negative way. Positive growth is characterized by growing towards a stimulus and negative growth is growing away from the stimulus.Chemotropism is slightly different from Chemotaxis, the major difference being that chemotropism is related to growth, while chemotaxis is related to locomotion. A chemotropic process may have an underlying chemotactic component, as is the case with mating yeast.

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1. Chemotropism

   Chemo-tropism is the growth of organisms such as bacteria and plants, navigated by chemical stimulus from outside of the organism or organism part. The response of the organism or organism part is termed ‘positive’ if the growth is towards the stimulus or ‘negative’ if the growth is away from the stimulus. An example of chemo-tropic movement can be seen during the growth of the pollen tube, where growth is always towards the ovules. It can be also written that conversion of flower into fruit is the example of chemo-tropism. Fertilization of flowers by pollen is achieved because the ovary releases chemicals that produce a positive chemo-tropic response from the developing pollen tube. An example of positive and negative chemo-tropism is shown by a plant’s roots; the roots grow towards useful minerals displaying positive chemo-tropism, and grow away from harmful acids displaying negative chemo-tropism. Another example of chemo-tropic movement of includes the growth of individual neuronal cell axons in response to extra cellular signals, which guide the developing axon to innervate the correct target tissue.Also, the addition of atmospheric nitrogen, also called nitrogen fixation, is an example of chemo-tropism.

How to pronounce chemotropism?

1. Alex

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How to say chemotropism in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of chemotropism in Chaldean Numerology is: 8

2. Pythagorean Numerology

   The numerical value of chemotropism in Pythagorean Numerology is: 1

References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/Chemotropism
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Chemotropism
3. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=chemotropism