208 Answered Questions for the topic botany

06/18/19

Why is carotene in carrots?
Internet says that the carotene is an important pigment for photosynthesis and UV-protection. That explains its accumulation in leaves. I suppose colored fruits are more appealing to animals, so... more
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06/17/19

Do plants have cellulases?
I can't seem to find the answer to this. Not even Wikipedia could help- it mentioned bacteria and fungi that have cellulases but not plants. Using my own reasoning, I would think that - On the one... more
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06/17/19

How does peanut pollination work?
I got curious about peanuts and when I found some photos on the internet, I could see they have flowers. However peanut fruit is underground. How does pollination of peanut flowers affect the... more
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Botany

06/17/19

How is light from the sun transformed into the chemical energy used by living organisms on earth?
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Botany Terminology

06/15/19

Definitions of hermaphroditism, dioecious and monoecious?
What is the difference between these terms "monoecious","Hermaphrodite". My lecturer says hermaphrodite is a zoological term and monoecious is botanical term, but in contrary to it, in my textbook... more
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Botany Biology

06/15/19

Are there chloroplasts in cyanobacteria?
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06/14/19

Hominidae is to hominid as Poaceae is to what?
I considered asking this on English. SE, but decided against it, since it strictly applies to biological nomenclature, which not many of them will know about - particularly that of plants. So, in... more
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06/12/19

Why does the oxygen produced in the photosynthesis come from water and not carbon dioxide?
In the photosynthesis equation:$$\\ce{6CO2 + 6H2O ->[sunlight] C6H12O6 + 6O2}$$The only place where we have 6 molecules of $\\ce{O2}$ is in $\\ce{6CO2}$. Then it reacts with $\\ce{6H2O}$ to form... more
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06/11/19

How do trees use Adhesion and Cohesion to move water against gravity?
I have an AP Bio class where I have to name 3 properties of water and I chose adhesion and cohesion for one of them. I'm having trouble finding out how exactly trees use adhesion and cohesion to... more
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06/10/19

Tissue identification in vascular bundle sections?
I always have trouble differentiating the tissues in a vascular bundle. I specially cannot properly identify the vascular cambium and phloem. I know xylem vessel elements are large cells with... more
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06/07/19

Why was it so hard to decode the corn genome?
My teachers growing up told me it was impossible to decode the maize genome. But yet its been done. Why was decoding the genome so significant, and what made it so difficult?
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06/03/19

Why upper surface of leaves is more green and shiny than the lower one?
I have properly googled this and got various answers. However, those answers do not provide an answer to the "Why" part of my question. Why is it that the upper surface of leaves is more green than... more
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Botany Biology

06/03/19

In sulfur photosynthetic bacteria, what molecule donates hydrogen for photosynthesis?
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06/02/19

What are pit fields?
I found this statement from my biology text book, "The sieve tube elements and the companion cells are connected by pit fields present between the common longitudinal walls". Is the pit field same... more
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06/01/19

Which will produce more oxygen? A few large trees or a greater number of smaller plants?
In a given area A, we have two choices -(i) we can plant maximum number of trees (which are larger in size) possible in A, say mOR(ii) we can plant maximum number of plants (which are smaller in... more
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Botany Biology

05/29/19

What evidence is there to support the hypothesis that chloroplasts and mitochondria were primitive prokaryotes that developed a relationship of mutualism with primitive anaerobic eukaryotic cells?
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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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Botany Embryology

05/26/19

Ploidy of Central cell in embroidery sac?
In the unfertilized embryo sac in angiosperms, is the central cell considered to be haploid or diploid? Though it has two polar nuclei but both of them are haploid, so I don't think it can be... more
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05/24/19

What is the advantage of using plant-derived antibacterials rather than bacteria-derived antibacterials?
So obviously we have a big problem with antibiotic resistance. Most of our antibiotics originate from bacteria themselves (or are synthetic variations on scaffolds which originate from bacteria). I... more
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05/21/19

Why is the floral biodiversity of grazed grassland higher than that of mown grassland?
I have collected some data to compare the biodiversity of a field in which the plagioclimax is maintained by machine mowing with a field in which the plagioclimax is maintained by sheep... more
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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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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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Botany Biology

05/20/19

testing soil fungi for possible antibiotics

how do you know if fungus had antibiotic properties
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Botany Biology

05/20/19

Why is the nickname “dark reactions” not entirely correct for the chemical stage of photosynthesis?
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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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