Sentences with phrase «in photosynthesis which»

Light converts to chemical energy, not heat energy, in photosynthesis which is the creation of sugars.

Science class teaches the essential role that chlorophyll plays in absorption of light to aid in photosynthesis which is how plants create energy.

Not exact matches

But a paper published in the journal Nature in 2007, which we learned about from a BBC Earth story and is still making the rounds among scientists, suggests that the key to photosynthesis might work only due to a totally bizarre effect of quantum physics.

Symbiogenesis recognizes that the mitochondria [the energy factories] in animal, plant, and fungal cells came from oxygen - respiring bacteria and that chloroplasts in plants and algae — which perform photosynthesis — came from cyanobacteria.

The team suspects it has to do with photosynthesis, which leads to more water vapor in the air.

The BPEC cell developed by the researchers is based on the naturally occurring process of photosynthesis in plants, in which light drives electrons that produce storable chemical energetic molecules, that are the fuels of all cells in the animal and plant worlds.

Purdue University physicists are part of an international group using spinach to study the proteins involved in photosynthesis, the process by which plants convert the sun's energy into carbohydrates used to power cellular processes.

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.

Silt - bearing runoff from many activities including construction sites, forestry and farms can inhibit the penetration of sunlight through the water column restricting photosynthesis and causing blanketing of the lake or river bed which in turns damages the ecology.

«A higher concentration of carbon dioxide in our atmosphere would aid photosynthesis, which in turn contributes to increased plant growth,» Rep. Lamar Smith (R — Texas) wrote in an op - ed last year.

Among other things, they have seen regularly recurring platelets in each cell, which they believe are parts of chloroplasts, the organelles within plant cells where photosynthesis takes place.

These organelles, which perform photosynthesis in green plants, are descendants of formerly free - living cyanobacteria, which are prokaryotes that lack an RNAi system.

Jansen says drought stress causes bubbles of gas to be brought into plants» water transport tubes, which blocks water from reaching leaves and in turn halts the food - creating process of photosynthesis.

In a recreation of Theodore Engelmann's 1883 experiment, in which he discovered that blue and red light were most favorable for photosynthesis, a skylight in the lobby will admit light that will be refracted by a prism and lenses intended to represent the optics of a microscopIn a recreation of Theodore Engelmann's 1883 experiment, in which he discovered that blue and red light were most favorable for photosynthesis, a skylight in the lobby will admit light that will be refracted by a prism and lenses intended to represent the optics of a microscopin which he discovered that blue and red light were most favorable for photosynthesis, a skylight in the lobby will admit light that will be refracted by a prism and lenses intended to represent the optics of a microscopin the lobby will admit light that will be refracted by a prism and lenses intended to represent the optics of a microscope.

Daniel Nocera, a chemist at Massachusetts Institute of Technology, says his work paves the way for a form of artificial photosynthesis, in which solar energy can be stored efficiently for later use.

Along with my colleagues Dave Johnston and Ann Pearson at Harvard and NASA's Felisa Wolfe - Simon, I hypothesize that biological feedback cycles, including one involving sulfide - based photosynthesis, would tend to maintain this world in which oxygen levels remain low and sulfide high [for the next «boring» billion years].

Researchers at CEA, CNRS and Université d'Aix - Marseille have investigated a signaling pathway, scarcely studied until now, which was already present in the bacterial ancestor of chloroplast, the compartment where photosynthesis takes place.

«The way carbon gets buried usually starts with photosynthesis, through which carbon dioxide is converted to organic material in the form of plankton, marsh grass, mangroves, or sea grass,» he said.

«There may be less photosynthesis in the wet season because of the cloud cover which limits the amount of light the plants can use.»

Photosynthesis — the process green plants use to convert energy from the sun that plants use to grow — from tropical forests, plays a huge role in determining global atmospheric CO2 concentration, which is closely linked the global temperature and rate of climate change.

It has been theorized that the major cause of bleaching is the result of chloroplast damage due to heat stress, which results in the production of toxic, highly reactive oxygen molecules during photosynthesis.

Photosynthesis reactions occur in chloroplasts, which are the intracellular compartments in green organs, mainly in leaves.

Green leaves use energy from sunlight through photosynthesis to chemically combine carbon dioxide drawn in from the air with water and nutrients tapped from the ground to produce sugars, which are the main source of food, fiber and fuel for life on Earth.

Photosynthesis, the process by which plants, algae, and select bacteria convert the sun's light energy into chemical energy, takes place in a cellular organelle called the chloroplast.

Certain bacteria which need light are able to eat dissolved iron (Fe2 +) and to carry out photosynthesis in the presence of sunlight.

Two of the most efficient were Rubisco from plants known as Aegilops cylindrica (jointed goatgrass) and Hordeum vulgare (barley), which both showed promising Rubisco catalytic properties that should be explored in the context of improving photosynthesis, and ultimately grain yield, in wheat.

These energy molecules are then used to power the «second stage» of photosynthesis, in which carbon dioxide from the air is fixed into carbon - based sugars, such as glucose and sucrose.

The researchers engineered a strain in which a Synechococcus gene normally turned on during photosynthesis signals its activity by switching on the gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.

«Although tiny, these organisms are a vital part of the Earth's life support system, providing half of the oxygen generated each year on Earth by photosynthesis and lying at the base of marine food chains on which all other life in the ocean depends.»

Photosynthesis is the process by which plants convert energy from the sunlight into chemical energy in the form of sugars.

Deep - sea organisms including mussels thrive in the extreme environments of hydrothermal vents and cold seeps which are characterised by high hydrostatic pressure, lack of photosynthesis - derived food, variable temperatures and high concentrations of toxic substances.

«If we can precisely understand and even influence fast ionization processes, we are able to learn a lot about light - driven processes like photosynthesis — especially about the initial moments in which this complex machinery is set into motion and which is hardly understood to date.»

The park, which would feature art exhibits and food vendors alongside the subterraneous photosynthesis, would inhabit the former Williamsburg Trolley Terminal, which opened in 1903 as a depot for streetcars ferrying passengers between Brooklyn's Williamsburg neighborhood and Manhattan's Lower East Side.

Consequently, woodlands that now drain carbon will become carbon producers because plant respiration (a process in which oxygen is taken in and carbon dioxide is given out) and the decomposition of death organic matter will exceed photosynthesis processes (carbon sequestration and oxygen release).

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.

Plants and algae use chlorophyll to absorb energy from the Sun to power photosynthesis at wavelengths up to 720 nm — which is in the red part of the light spectrum, at the limit of visibility to the human eye.

The structure of this complex, determined using cryo - electron microscopy, shows how it converts near - infrared light into an electrical charge in order to power cell metabolism, which enables this bacterium to live at the extreme red limit of photosynthesis on Earth.

As it stands, photosynthesis, which takes in carbon dioxide, only slightly outstrips respiration, which releases it again.

Drought stress leads to water deficits in crops, which affects crop growth and development and a number of metabolic processes in the plants, such as photosynthesis and primary metabolism

In their version of the proposed DOE budget for fiscal year 2015, which begins 1 October, House appropriators zero out funding for the Joint Center for Artificial Photosynthesis (JCAP), which seeks to develop a technology to convert sunlight to a fuel such as hydrogen gas.

Reduced nitrogen content in atmospheres with raised carbon dioxide has previously been attributed to a kind of dilutive effect, in which nitrogen absorption fails to keep pace with the increase in plants» photosynthesis and growth.

Sperm whale poop helps fertilize algae, which in turn suck up carbon dioxide via photosynthesis.

In artificial photosynthesis systems chromophores, or «photosensitizers,» absorb light energy and transfer electrons to the catalyst, which activates the chemical reaction.

Peering deep into these proteins, Fleming and his colleagues at the University of California at Berkeley and at Washington University in St. Louis have discovered the driving engine of a key step in photosynthesis, the process by which plants and some microorganisms convert water, carbon dioxide, and sunlight into oxygen and carbohydrates.

Iron encourages the bloom of tiny algae called phytoplankton, which take in carbon dioxide (CO2) dissolved in the ocean for photosynthesis; that process in turn draws atmospheric CO2 into the surface waters.

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.

The rise of bacteria performing photosynthesis, which releases oxygen as a byproduct, is often considered the source of the rapid increase in atmospheric oxygen, which had previously been scarce.

They focused on sugars, which are produced in the leaves by photosynthesis and transported through tubes 20 times narrower than a human hair to roots and new shoots.

Decreased cloudiness allowed more solar radiation to reach the plants, which typically promotes photosynthesis, but in this case it likely posed an extra stress on the plants from the resulting depletion of soil moisture.

Many, many investigators have contributed over the years to the development of a form of artificial photosynthesis in which sunlight - activated catalysts split water molecules to yield oxygen and hydrogen — the latter being a valuable chemical for a wide range of sustainable technologies.