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41 Answered Questions for the topic plant physiology

Plant Physiology Biochemistry Botany

05/26/19

How do plants intake minerals through their leaves?

How do plants intake the fertilizer when it is sprayed all over the leaf surface as a foliar feed?

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Plant Physiology Biochemistry Plant Anatomy

05/24/19

Why do plants store energy as carbohydrates and not as fats?

In my introductory biology class, we are learning about biomolecules. The textbook says fats are a more efficient energy store than carbohydrates.So my question is - why would plants store their... more

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Plant Physiology Botany Ecology Evolution

05/21/19

Why do birches have a white bark?

Several species of the tree genres *Betula* have a white bark,especially when they are young. This is quite peculiar to trees - at least in central Europe; so I'm wondering if there is a ecological... more

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Plant Physiology Biochemistry Botany Photosynthesis

05/21/19

From where does the oxygen in glucose come in photosynthesis?

Is it carbon dioxide or water? I'm talking about the oxygen present in glucose and not the oxygen that is released after photolysis of water.

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Plant Physiology Botany Plant Anatomy

05/19/19

Negative Phototropism In Plants?

Why does the root of a plant go away from the sun? The shoot goes towards the sun, why does the root go away from it?

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Plant Physiology Botany Genetics Molecular Genetics

05/19/19

What are the technical challenges that are limiting the use or adoption of genetically modified plants or crops?

For example, what's preventing scientists from using plants to produce high value materials at large quantities? Or create a single plant with a multitude of nutrients to prevent disease?

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Plant Physiology Botany Plant Anatomy Plant Perception

05/09/19

Can roots have cuticle, especially aerial roots?

In my school biology book, it is written that cuticle covers the epidermal cells in aerial parts of plants and root epidermis doesn't have cuticle. My question is that whether aerial roots, in... more

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Plant Physiology Botany

05/04/19

How do plants absorb CO2?

I see many repeated claims that plants absorb CO2 from the air. CO2 goes into the stomata, while H2O evaporates and leaves those same stomata. The CO2 dissolves in the water in the plant sap, and... more

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Plant Physiology Physiology Botany Evolution

04/18/19

Why does the seed of the coconut tree have a liquid in it?

What is the purpose of water in the coconut seed? The reason I ask this is that I was reading about coconut water and all the benefits it has for us Humans. But why does the tree put a liquid in... more

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Plant Physiology Botany Photosynthesis Marine Biology

04/04/19

The colour of aquatic plants found deep under oceans?

I have read that many aquatic plants found in deep oceans are red in colour, however, I do not understand why. As red is the color which gets the least scattered it should be the only light... more

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Plant Physiology Biology Biochemistry Photosynthesis

03/26/19

Photosynthesis: What Powers the Splitting of Water?

The splitting of water is an endergonic (non-spontaneous) reaction, and thus would require energy (chemical work to be done) in order to happen. In Photosystem II, an enzyme catalyzes this... more

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Plant Physiology Botany Reproduction Plant Anatomy

03/18/19

Fruit-producing water plant?

Are there any water plants that grow fruit that is meant to be eaten? I’m specifically interested in plants that are not rooted permanently to the earth but are mobile for at least part of their... more

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Plant Physiology Physiology Botany Ecology

03/18/19

Why does water stress lead to alkalinity of xylem sap in plants?

I was reading this book: Plant Physiology and Development, Sixth Edition by Lincoln Taiz, Eduardo Zeiger, Ian M. Møller, and Angus Murphy when this doubt came to my mind. Abscisic acid, the stress... more

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Plant Physiology Botany

03/18/19

Why does wood become darker when it ages?

I have lots of pieces of pine furniture which have different colours depending on how old they are. So, I just wondered why that is. I guess it has something to do with structures and chemical... more

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Plant Physiology Biochemistry Botany

03/18/19

Biological Nitrogen Fixation?

I just studied Biological Nitrogen Fixation and saw it's reaction but i do not understand why there is 8 electrons and 8 protons are involved and Hydrogen molecule is formed side by side along with... more

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Plant Physiology Botany Genetics

03/15/19

Is it possible to genetically modify a plant at home?

Would I be able to genetically modify a plant at home? What equipment will be necessary? I think it might be a fun change from the 'norm' of regular hybridisation, to try some inter-family gene... more

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