Study of the normal functioning of plants and plant cells
2
votes
0answers
29 views
Is there a standard definition for plant “maturity”?
Is there a species-agnostic metric for identifying plant maturity?
There seems to be plenty of literature defining life-history stages for specific crops, but it is not clear if there is a generic ...
2
votes
1answer
40 views
Arabidopsis thaliana RCSB active site gene mutant
I'm looking for an Arabidopsis thaliana gene listed in RCSB with a clear mode of function and active site. In addition it needs to have an obvious phenotype when knocked out like severely retarded ...
2
votes
2answers
95 views
Would a plant need light if the chemicals gained by photosynthesis were given through the roots?
If you took the chemicals a plant gains through photosynthesis and put it through the plants' roots or by a shot, would the plant need light? If so, how would it respond to the treatment?
1
vote
1answer
244 views
Why do plants have pith and how is it useful to them?
Many plants have pith, from walnut trees to corn to ragweed, but I can't think of anything it does them. What is pith and how is it useful to them?
1
vote
1answer
32 views
How do animals/plants change for each season?
The question pretty much sums it up. How do animals/plants change for each: Spring, Summer, Autumn, and Winter?
A detailed explanation on distinct behaviour and appearance changes would be nice.
1
vote
1answer
30 views
What part of the cactus photosynthesizes?
In general, plants photosynthesize through their leaves and, to a much lesser extent, through their stems. Cacti, however, have no visible leaves, but instead spines. In what part of the cactus does ...
1
vote
1answer
20 views
Can a plant be induced to accelerate transpiration?
Just what the title states.
I wonder whether it is possible to fire a chemical switch - sort-of like injecting adrenaline in a human, to accelerate a particular process in a plant. For example, ...
1
vote
0answers
19 views
Relationship between biomass and net primary productivity
I want to do validation on simulated net primary productivity. But I don't have measured NPP data, Eddy covariance flux measurement data. I have only field measurement biomass data. So can I directly ...
1
vote
0answers
9 views
What controls the southern range of willows?
Many willows (Salix spp.) grow in northern states but do not grow in southern states, for example Salix viminalis.
What mechanisms control the southern range of temperate hardwoods such as willow? Is ...
1
vote
0answers
28 views
Where can I find approximate rates of sequestration of CO2 for different species of algae?
For a study, I want to compare the rates of CO2 sequestration and fixation of a few different species of algae.
I could not find any data on the sequestration rates. Any pointers to where I can find ...
0
votes
1answer
44 views
Why does the PR form of phytochrome exist?
I know how it gets converted because PR is more stable and when there is neither red or far red light PFR naturally converts to PR. But what is the point of it? If PFR is the biologically active one ...
0
votes
1answer
40 views
Plants without bacteria? is it theoretically possible?
I know from school, that all live on the Earth need bacteria as low-level "machines" that break down/extract/convert/produce chemical elements and combinations, other high-level organisms needed. But ...
