Can one extract chloroplast from leaves and keep them active?
916461
There are a number of methods available both commercial and collegiate that will get you isolated chloroplasts.  Try these.  I hope this will get you going in the right direction
1068505
No.\n\nSee, the thing is that most animals is that have evolved pigments to stop light penetrating their cells.  A man could have all the grenpigment he wanted and it won't do anything because the interior of the cells will be permanently in the dark.\n\nWith transparent animals like jellyfish or glass fish or similar you probably could achieve some level of autotrophic activity.\n\nIn the case of a highly active animal like a man the payoff wouldn't be worth the cost. Chlorplasts require energy to build and maintain and active animals can't afford to laze around int he sun all day. That's why the ancestors of animals abandoned their chlorophyll in the first place (did you know that all animals are descended from photosyntheic organisms?)\n\nSorry, but there are just too many hurdles to having a photosynthetic man.
400592
Plants undergo photosynthesis i.e. in absence of light, they inhale oxygen and exhale carbon dioxide.  In presence of light, the process is reversed.\n\nAssuming that you are experimenting with a plant (& not a farm).  You can pump fresh air in a chamber and keep the plant dark, you will see some improvemnets.  However you will see loss of chlorophile (which makes the leaf green) and eventually leaves will become brown...Hence, you do need a light/dark cycle.\n\nSo provide light/dark cycle and during light cycle, provide ample carbon dioxine and in the dark, increase air circulation and plant will grow like a weed.
814696
Process by which green plants and certain other organisms transform light into chemical energy. In green plants, light energy is captured by chlorophyll in the chloroplasts of the leaves and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds (simple and complex sugars) that are the basis of both plant and animal life. Photosynthesis consists of a number of photochemical and enzymatic reactions. It occurs in two stages. During the light-dependent stage (light reaction), chlorophyll absorbs light energy, which excites some electrons in the pigment molecules to higher energy levels; these leave the chlorophyll and pass along a series of molecules, generating formation of NADPH (an enzyme) and high-energy ATP molecules. Oxygen, released as a by-product, passes into the atmosphere through pores in the leaves. NADPH and ATP drive the second stage, the dark reaction (or Calvin cycle, discovered by Melvin Calvin), which does not require light. During this stage glucose is generated using atmospheric carbon dioxide. Photosynthesis is crucial for maintaining life on Earth; if it ceased, there would soon be little food or other organic matter on the planet, and most types of organisms would disappear.\n\n\n\n    6 CO2 + 12 H2O + light → C6H12O6 + 6 O2 + 6 H2O\n\n    Carbon Dioxide + Water + Light energy → Glucose + Oxygen + Water
961932
Probably not. The purpose of photosynthesis is to produce so much food that is not only enough for the plants use, but also there is some left over for other animals too, If plants were to perform photosynthesis at the same rate of cellular respiration, they would only produce enough food that would suffice their own needs.
201518
U have to ask questions clearly.\n\nIf the tissue extract contains enzyme catalase or peroxidase, surely the enzyme would decompose hydrogen peroxide to H2O and O2.
967989
I remember a girl in the news who ended up inhaling a piece of the X'nas tree and ended up getting a horrid asthma attack.  For years she lived with it until she was operated on about 10 years later.  After extracting the snall twig the leaf parts still had chlorophyll in it.
925453
well photosynthesis is a good way to start. the water from the roots are pulled by cohesion and then it leaves from the stroma in the plant leaves.
913059
The chloroplast -- it's called photosynthesis.
319084
For photosynthesise CO2 and sunlight required.When we breath,we discharge CO2.This CO2 can help plants for photosynthesise.Any way we producing more than million times of CO2 what plants required other than our breathing.Plants tired of this process.If you want relay help plants,reduce wastage and pollution.
421068
Well if I remember this right...NASA was doing experiments a few years ago with rhubarb and pumpkin plants. The C02 oxygen exchange was the greatest. Also there was something about a genetically engineered algae they were trying out
980111
YOU can co relate krants anatomy(presence of chloroplasts in bundle sheath cells) and high yield of starches in rice plant It needs some research on Internet .But otherwise it is a good topic for any seminars
20091
yes, any light can.  photosynthesis just requires photons of light at certain wavelengths, and any white light whether 'natural' or 'artificial' contains all wavelengths of light, and so photons of the proper wavelength will reach the plant and allow photosynthesis to occur.  there is nothing special about the photons from sunlight.  if i remember correctly, the wavelength plants need is 680nm for photosystem I and 700nm for photosystemII(or maybe i have that backwards) in the light cycle of photosynthesis... well anyway, you should be fine with any kind of light as long as it's not purely green light(because chlorophyll can not absorb green light, it reflects green light which is why it is green and leaves without pigmentation are green.)
938268
The process of making food in a plant from the sun's energy
862240
Depends on the ingredient.  Usual procedure is to chop the plant in a blender and extract the active principle with a suitable solvent, and then refine the extract with fractional crystallization, distillation, or other such means.
543438
You should do an experiment, that's what i did.\n \nPhotosynthesis is the production of food compounds from carbon dioxide and water by green plants using energy from sunlight, absorbed by chlorophyll ie. photosynthesis is how plants feed.\n\nlightlightlil\n\n6CO2 + 6H2O                 à C6H12O6 + 6O2\n\n        Raw materials   Products\n\nie.         Green plants make organic substances from inorganic substances.\n\nIn order to keep the equation for photosynthesis simple, glucose is shown as the only food compound produced. However, this does not mean that glucose is not the only food compound produced.\n\nThe process of taking in and giving out gases is known as gaseous exchange. When green plants photosynthesise, they take in CO2 and give out O2. This only happens in daylight when light is available as an energy supply. The exchange of gases in green plants in light is the opposite of that of animals; however this does not mean that green plants do not respire. During daylight, plants photosynthesise and respire at the same time, hence all CO2 produced by the plant during respiration is transformed into O2 and food (and thus energy) for the plant. It is only when the rate of photosynthesis is greater than the rate of respiration that CO2 will be taken in and excess O2 given out.\n\nie.         In darkness O2 is taken in and CO2 is given out - there is no p/s; in dim light the rate of respiration and p/s    is equal - there is no gaseous exchange with the air; in bright light however p/s is faster than respiration          and thus O2 is given out - CO2 is taken in to use for p/s and the CO2 made from the plant’s respiration is   also used to make O2.\n\nie.         The more light (the higher the light intensity), the greater the rate of p/s - unto the LSP [see below].\n\nIf a plant is given plenty of sunlight, carbon dioxide and water, the limit on the rate of p/s is the ability of the plant to absorb these materials and make them react. (eg. total number and capacity of chloroplasts and the physical limitation of carbon dioxide diffusion.) Most of the time plants DO NOT have an unlimited supply and so the rate of p/s is not as high as it might be.\n\nBlackman’s Law states that:\n\n            “The factor in least supply will be the limiting factor.”\n\n\n\nAs the light intensity (LI) increases, the rate of p/s increases, until the plant is photosynthesising as fast as it can - the LSP - Light Saturation Point. When the LSP is reached, plants cannot photosynthesise any faster, even when the light gets brighter. From this point on, according to Blackman’s Law, the factor in least supply will be the limiting factor ie. either CO2, H2O or temperature will be the limiting factor.\n\n\n\nAs the amount of CO2 available increases, the rate of p/s increases, until the plant is photosynthesising as fast as it can - the CSP - CO2 Saturation Point. If both CO2 and light supply are increased together, the rate of p/s will level out. Henceforth it is limited, according to Blackman’s Law, by the factor in least supply, either H2O or temperature. however there is a physical limitation of the carbon dioxide diffusion and the plant’s sunlight absorption.\n\n\n\nAt a lower temperature, the rate of p/s is increasing with increasing LI or CO2 availability, but the LSP or CSP is quickly reached. At a higher temperature, the rate of p/s increased further and reaches the LSP / CSP slower. Thus we can se that temperature affects the rate of p/s - it is higher at higher temperatures.\n\nFrom this information, one can see that if one wants to investigate solely the effect of the quantity of light on Elodea, one must keep both the amount of CO2 and the temperature constant.\n\nLight intensity will decrease as the distance between the light source and the object increases, and vice versa.\n\nThus the relationship between LI and distance can be described as\n\n         1 This value will be very small; multiplying the LI 1000\n\nLI =
540271
Investigate cloning. Clone some plants