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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 auxin controls phototropism?
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.
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.
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 auxin controls phototropism?
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.
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
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.
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"
What is the effect of auxin on different parts of plants?
Auxin is a plant hormone that regulates growth and development by promoting cell elongation, particularly in stems and roots. In stems, auxin facilitates upward growth by concentrating on the side away from light, causing the plant to bend towards the light (phototropism). In roots, auxin influences downward growth and root development, but in higher concentrations, it can inhibit root elongation. Overall, auxin plays a crucial role in coordinating directional growth and responses to environmental stimuli.
