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dem82 [27]
4 years ago
14

How does the environment define the ecologic roles of organisms?

Biology
1 answer:
KIM [24]4 years ago
6 0
Biodiversity plays an important role inecological health as much as it does for human health. ... Ecosystem engineers aredefined as: "...organisms that directly or indirectly modulate the availability
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A researcher creates a mutant pea plant in which cytokinins are overexpressed and gibberellic acid is underexpressed. What is th
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C) The pea plant would be shorter with more branches compared to wild-type plants.

Explanation:

Gibberellic acid stimulates the stem growth by promoting elongation and cell division, so having this compound's gene underexpressed will make the plant shorter. On the other hand, cytokinins are located in young cells, particularly the buds, and stimulates its lateral growth. Having a plant with a overexpressed cytokinins gene will make the plant have more branches compared to wild-type plants.

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During photosynthesis, specific pigments absorb light energy, which is then used to fuel the building of sugar molecules. Which
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Chlorophyll a- violet blue

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The three major plant pigments are chlorophyll a, chlorophyll b and carotenoids.

Various pigments are identified by their specific pattern of wavelength absorption in the spectrum of visible light. Chlorophyll a absorbs light in the violet-blue region, while chlorophyll b absorbs orange-red light. Chlorophyll a and b reflects or transmits green light hence they appear green. Carotenoids absorb light in the green - yellow region hence they reflect longer yellow, red, and orange light.

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