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Auxin is a plant hormone that regulates phototropism by promoting cell elongation on the side of the plant that is away from light. When a plant receives light from one direction, auxin redistributes to the shaded side, causing those cells to elongate more than those on the illuminated side. This differential growth results in the plant bending toward the light source. Thus, auxin plays a crucial role in helping plants optimize light exposure for photosynthesis.
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What hormone cause photoTropism?
auxins
The chemical that promotes phototropism is?
Auxin is the chemical that promotes phototropism in plants. Auxin is produced at the tips of plant stems and helps cells elongate, causing the plant to bend towards a light source.
What is the type of growth response having to do with light?
Phototropism is the growth response of plants to light, where they grow towards a light source. This response is regulated by the plant hormone auxin.
How does auxin produce phototropism?
Auxin accumulates on the shaded side of the plant stem due to light exposure, causing cells on that side to elongate and bend towards the light source. This creates the bending of the stem towards the light, known as phototropism. The differential growth of cells in response to auxin distribution results in the plant's ability to bend and grow towards light.
What controls geotropism and phototropism?
When the auxins in the plant act towards gravity... positive geotropism is wen the plant goes to the direction of gravity which would be downwards..negative geotropism would be upwards going against the natural gravity Phototropism is when the plant reacts towards the photosynthesis conditions where when light acts on the plant so the auxins burst and the plant bends towards light..this is positive phototropism...but when the plant goes against the direction of light it is then negative phototropism
What is the relationship between auxin and phototropism?
Phototropism is the biological process for auxin's.
What hormone cause photoTropism?
auxins
The chemical that promotes phototropism is?
Auxin is the chemical that promotes phototropism in plants. Auxin is produced at the tips of plant stems and helps cells elongate, causing the plant to bend towards a light source.
Phototropism in plants is mediated by what plant growth substance?
auxin
What is the type of growth response having to do with light?
Phototropism is the growth response of plants to light, where they grow towards a light source. This response is regulated by the plant hormone auxin.
How does auxin produce phototropism?
Auxin accumulates on the shaded side of the plant stem due to light exposure, causing cells on that side to elongate and bend towards the light source. This creates the bending of the stem towards the light, known as phototropism. The differential growth of cells in response to auxin distribution results in the plant's ability to bend and grow towards light.
What controls geotropism and phototropism?
When the auxins in the plant act towards gravity... positive geotropism is wen the plant goes to the direction of gravity which would be downwards..negative geotropism would be upwards going against the natural gravity Phototropism is when the plant reacts towards the photosynthesis conditions where when light acts on the plant so the auxins burst and the plant bends towards light..this is positive phototropism...but when the plant goes against the direction of light it is then negative phototropism
What plant hormone is Produced mainly in shoot tips and leaves?
Auxin is a plant hormone mainly produced in shoot tips and leaves. Auxin plays a crucial role in promoting cell elongation, apical dominance, and phototropism.
The effect of auxin depends on the target tissue?
true
Which part of the radish plant controls phototropism?
It is the green part.Leafy part of the radish
Is phototropism a plant's response to light?
Yes, phtotropism is a plant's response to light. Growth towards a light source is called positive phototropism, while growth away from light is called negative phototropism.
Is Auxin is asymmetrically distributed in shoots because the auxin on the side of the plant facing the source of light is destroyed?
No, the auxin produced on the side facing the light source simply moves to the side away from the light. This causes cell elongation on the side opposite the light, making the stem appear to "grow toward the light"
