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Phototropic response in plants is based on the redistribution of the plant hormone auxin, which promotes cell elongation on the shaded side of the plant, causing it to bend towards the light source. This redistribution is mediated by photoreceptors called phototropins, which sense the direction of light and trigger the movement of auxin to induce the plant's growth towards light.
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What is a synonym for phototropic?
Light-seeking.
What is a passing source of physical energy that produces a response in a a sense organ?
Light is a passing source of physical energy that can produce a response in the sense organ of the eye, leading to visual perception.
How does the change of basis in quantum mechanics affect the representation of physical systems?
In quantum mechanics, changing the basis affects how physical systems are represented. It allows for different perspectives and ways of describing the system's properties and behavior.
What is the physical response to intensity and sound?
When exposed to high intensity sound, the physical response can include increased heart rate, elevated blood pressure, and dilation of the pupils. Prolonged exposure to loud noise can lead to hearing damage and other health issues.
What is a foundamental quantity?
A fundamental quantity is a physical quantity that is independent and not defined in terms of other physical quantities. These fundamental quantities form the basis for the measurement of other physical quantities. Examples of fundamental quantities include mass, length, time, and electric charge.
The phototropic response to light occurs where?
The phototropic response to light occurs in plant cells, specifically in specialized cells called photoreceptors. These photoreceptors detect the direction and intensity of light and trigger a growth response in the plant, causing it to grow towards the light source. This response helps the plant optimize its exposure to light for photosynthesis.
What part of speech is phototropic?
Phototropic is an adjective.
What is the physical basis of the phototropic response in plants?
Tropisms are growthg responses in plants in which the direction of growth depends on the direction of the stimulus. Phototropism is the response to light. The shoots of plants are positively phototropic (grow towards the light) while the roots are negatively phototropic (grow away from light).Experiments carried out in 1880 by Charles Darwin and his son Francis showed that the stimulus was detected by the tip of the shoot but the bending response took place just below the tip.In 1913 the Dutch plant physiologist Boysen-Jensen showed that a chemical substance produced in the tip of the shoot passed to the bending region to cause the response and that this substance passed down the shaded side of the shoot.F. W.Went extracted the growth substance which was identified as auxin. He showed that the phototropic response was due to the unequal distribution of auxin in the shoot. More auxin accumulates on the shaded side of the shoot and causes more rapid cell elongation on that side, so that the shoot bent over towards the light.See related links below
Are shoots negatively phototropic?
No, they are positively phototropic as they grow towards light.
Are all the plants phototropic?
No,
What has the author David G Heathcote written?
David G. Heathcote has written: 'Investigation of wheat coleoptile response to phototropic stimulations' -- subject(s): Life sciences
What is a synonym for phototropic?
Light-seeking.
What always the basis of behavior?
response to stimuli
What is a sentence for the word phototropic?
a flower is phototrophic because it is moving toward the sun
How is a plant shoot positively photo tropic?
Phototropic is a word to describe if the plant moves towards light sources or away from light sources. Positively phototropic means it moves towards light. Most, perhaps all, plants will grow towards a light source. Plants need light energy so they have evolved to grow in the direction of the best light. Negatively phototropic means it moves away from light. Vampires are known to be negatively phototropic.
How does a plant that is positively phototropic respond to light?
it grows towards the light.
The basis for all behavior is the stimulus-response mechanism?
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