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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.
Does auxin builds up on the lit side of a plant shoot?
No, auxin does not build up on the lit side of a plant shoot. Instead, auxin is redistributed to the shaded side, promoting cell elongation there. This differential distribution causes the plant to bend towards the light, a phenomenon known as phototropism. Thus, the accumulation of auxin occurs on the side opposite to the light source.
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
What is the effect of auxin on shoots called?
The effect of auxin on shoots is known as phototropism. Auxin promotes cell elongation on the side of the shoot that is away from light, causing the shoot to bend toward the light source. This growth response allows the plant to maximize light exposure for photosynthesis. Additionally, auxin plays a role in apical dominance, where it inhibits lateral bud growth, directing energy toward the main shoot.
