Sentences with phrase «for plant photosynthesis»

The weak but nevertheless detectable SIF signal emerges naturally on sunlight - exposed leaves, when chlorophyll molecules are excited by absorbed photons, and is a proxy for plant photosynthesis.
Chloroplast, the compartment responsible for plant photosynthesis, is a key component of this signaling pathway.

Not exact matches

for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing photosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, ma - mmals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.
How many times did it take for the plants to get the process of photosynthesis correct?
So, God is our Environer, God is «the sunshine of the soul», providing for us what the sun and earth, etc. provide for the plants via photosynthesis.
Since our readers are looking for experiments to try with their 5 - 12 year olds, we feel that making a parallel comparison of «breathing» or respiration for plants and humans helps children to better understand the process of photosynthesis at a younger age.
An optical lens helps angle the light to reach the sides and bases of your growing plants for more efficient photosynthesis.
This means that the energy consumption and carbon footprint of marijuana growers would go way down, as the light the plants need for photosynthesis could be provided more naturally by the sun.
Part of the problem is that the benefits of better plant growth, thanks to higher carbon dioxide concentrations (plants use CO2 for photosynthesis) are more than offset by the impact of higher temperatures and differing precipitation.
While chloroplasts host all of the biochemical machinery needed for photosynthesis, little is known about how to engineer chloroplasts extracted from plants for long - term, stable solar energy harnessing.
Certain plant species known as mycoheterotrophic plants have abandoned photosynthesis and instead live as parasites, exploiting their fungal hosts for nutrients.
If plant life does exist on a planet like Kepler - 186f, its photosynthesis could have been influenced by the star's red - wavelength photons, making for a color palette that's very different than the greens on Earth.
She and other experts note there is an exception for certain types of plants such as corn, which access CO2 for photosynthesis in a unique way.
The technique could also be modified for microscopy, allowing imaging of photosynthesis inside the plant cells.
The imaging system detects fluorescence emitted from chlorophyll, a pigment that gives plants their green color and is essential for absorbing the sunlight plants use to create energy through photosynthesis.
There's oxygen in our atmosphere that is the result of photosynthesis, but if that's what they're looking for, they could have found out that plants covered the Earth a billion, 2 billion years ago.
Mycorrhizal fungi live in the roots of host plants, where they exchange sugars that plants produce by photosynthesis for mineral nutrients that fungi absorb from the soil.
In the most recent (December 2003) issue of Progress in Oceanography, researchers suggest this whopping increase was caused by a sudden influx of dead algae rich in carotenoids, pigments used by some plants for photosynthesis.
SeaWiFS, on board the OrbView 2 (aka SeaStar) satellite measures the wavelengths of light reflected by phytoplankton (microscopic marine plants) and algae that use chlorophyll for photosynthesis.
Inspiration for the new catalyst came from nature; Nocera studied the chain of processes that take place during photosynthesis, such as how plants use the energy from sunlight to rearrange water's chemical bonds.
«For each carbon dioxide molecule that is incorporated into plants through photosynthesis, plants lose about 200 hundred molecules of water through their stomata,» explains Julian Schroeder, a professor of biology who headed the research effort.
or stomata, the tiny openings on the leaf surface through which plants absorb gases needed for photosynthesis, can provide clues to land elevation over time.
Nitrogen helps plants produce proteins, including the key molecules that control photosynthesis, the process by which the sun's energy is captured and converted into the carbon compounds that are the raw material for growth.
For many crops more carbon dioxide means a rise in the rate of photosynthesis and, therefore, in growth; and with increased carbon dioxide some plants» use of water is more efficient, according to studies done in conventional glass greenhouses.
«On the one hand, more CO2 is known to be good for plants, at least in the short - term because this drives up photosynthesis and plant growth including crop growth and food production.
Plants use solar energy for growth through a process known as photosynthesis.
It is produced during photosynthesis in plants, for example, and its production in skin cells has been linked to aging and cancer development.
Professor Henry said photosynthesis — the process by which plants converted sunlight into energy for growth and produce oxygen — was arguably the most important biological process on earth.
For plants and algae that carry on photosynthesis, light can be too much of a good thing.
Since the biomarker groups they investigated are based on algae — i.e., on plants that require light for photosynthesis — the absence of both groups is an important indicator of a very thick and largely contiguous ice cover.
Lead author of the study, Sabrina Wenzel of DLR explains: «the carbon dioxide concentrations measured for many decades on Hawaii and in Alaska show characteristic cycles, with lower values in the summer when strong photosynthesis causes plants to absorb CO2, and higher - values in the winter when photosynthesis stops.
Plants, for the most part, adopt a different feeding, or «trophic,» strategy, making their own food through photosynthesis.
«We have known for a long time that C4 photosynthesis explains the rapid growth of record breaking plants, but most plants don't grow that fast — in fact growth can vary ten - times among plant species.
Professor Colin Osborne, lead author of the study and Associate Director of the University's Grantham Centre for Sustainable Futures, said: «Photosynthesis powers most life on Earth because it converts solar energy into sugars which are used by plants to grow.
Exciton diffusion is also a basic mechanism underlying photosynthesis: Plants absorb energy from photons, and this energy is transferred by excitons to areas where it can be stored in chemical form for later use in supporting the plant's metabolism.
At Carnegie, he designed a system to identify Chlamydomonas mutants that are impaired in a process called nonphotochemical quenching (NPQ), which evolved because plants often absorb more light energy than can be used for photosynthesis.
Theoretical models suggest ways for optimizing artificial photosynthesis to turn light into energy the way plants do
Using infra - red gas analysers connected to a miniature controlled environment chamber, Dr Samuel Taylor and Professor Steve Long, at the Lancaster Environment Centre (LEC) simulated a sudden increase in sunlight following shade, and measured the time it took for the plant to regain its maximum photosynthesis efficiency and take full advantage of the extra energy from light.
This paper will likely be very influential, adds Lawren Sack, a plant physiologist and ecologist at the University of California, Los Angeles, as paleobiologists can now better estimate photosynthesis for fossils from deep time.
He thinks that calm waters may impede the flow of carbon dioxide — a gas needed for photosynthesis — from the sea into the plant.
Titanium is not an essential nutrient for plants, Raliya says, but boosts light absorption by increasing chlorophyll content in the leaves and promotes photosynthesis, properties Biswas» lab discovered while creating solar cells.
That's a problem for plants, because the molecules inhibit photosynthesis.
A principle limitation of efficient photosynthesis is that organisms absorb more light in full sunlight than they can use effectively, thus plants have evolved a variety of mechanisms for photoacclimiation, including a mechanism described in the current new findings.
To maximize energy absorption for photosynthesis, especially when the suns have vastly different colors or if at least one of the suns is dim, plants — or, more correctly, their extraterrestrial analogs — may use one or more types of light - absorbing pigments that absorb across a broad range of wavelengths, which would tend to make the plant appear black or gray (main image).
«The biological clock ensures that a plant times its metabolism according to the environment,» says Dorothee Staiger, «thus enabling it to directly use the first rays of sunlight for photosynthesis to produce carbohydrates, for example.»
Scientists have in the past focused on above - ground characteristics, primarily leaf traits and the efficiency with which plants absorb sunlight for photosynthesis, he said.
However, some plants already have mechanisms for concentrating CO2 in their tissues, known as C4 photosynthesis, so higher CO2 will not boost the growth of C4 plants.
For example, he said, most participants recognized that carbon dioxide increases global temperatures, yet mistakenly indicated that rising levels of atmospheric CO2 are expected to «reduce photosynthesis in plants
Many plants use a group of chemicals called sinapate esters to defend against the sun while they absorb light for photosynthesis.
His development of a method for stable transformation of land plant chloroplast genomes, once thought to be impossible, established the field of chloroplast genome engineering in higher plants and has led to an explosion of research concerning the chloroplast genome's role in photosynthesis, functional analysis of plastid genes by reverse genetics, and mechanisms of plastid gene regulation.
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