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Related Concept Videos

Oxygenic Photosynthesis01:26

Oxygenic Photosynthesis

Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate light...
What is Photosynthesis?01:00

What is Photosynthesis?

All living organisms on Earth are directly or indirectly dependent on photosynthesis. It is the only biological process that can capture energy from sunlight and convert it into chemical energy that every organism can use to power its metabolism. Photosynthesis is also the source of oxygen required by many living organisms.
Types of Organisms Based on their Modes of Nutrition
Broadly, there are two main categories of organisms based on their modes of nutrition — autotrophs and heterotrophs. An...
What is Photosynthesis?00:39

What is Photosynthesis?

Photosynthesis is a multipart, biochemical process that occurs in plants as well as in some bacteria. It captures carbon dioxide and solar energy to produce glucose. Glucose stores chemical energy in the form of carbohydrates. The overall biochemical formula of photosynthesis is 6 CO2 + 6 H2O + Light energy → C6H12O6 + 6 O2. Photosynthesis releases oxygen into the atmosphere and is largely responsible for maintaining the Earth’s atmospheric oxygen content.
The Calvin Cycle01:40

The Calvin Cycle

OverviewOxygenic photosynthesis plays a central role in the global carbon and oxygen cycles. The carbohydrates produced support nearly all food webs, while the oxygen by‑product enables aerobic life.Light‑dependent and light‑independent reactionsPhotosynthesis occurs in two main stages, each in a different part of the chloroplast: light‑dependent reactions and light‑independent reactions, also called the Calvin‑Benson cycle or simply the Calvin cycle.Light‑dependent reactions take place in the...
Light as Energy01:35

Light as Energy

The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
Photons
A photon is a discrete electromagnetic particle or bundle of energy. Photons are characterized by their frequency, wavelength, and amplitude, similar to the properties of a wave. Waves with higher frequencies transmit more energy and have shorter wavelengths than longer wavelengths that transmit less...
Origin of Photosynthesis01:26

Origin of Photosynthesis

Photosynthesis represents a fundamental biological process that transformed Earth's atmosphere and paved the way for complex life. Emerging roughly 3.4–3.8 billion years ago, the earliest photosynthetic organisms harnessed light energy to produce organic compounds. These anoxygenic phototrophs used electron donors like hydrogen sulfide (H₂S) or ferrous iron (Fe²⁺), rather than water, and did not release molecular oxygen (O₂) as a byproduct. Various groups, including green sulfur and purple...

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Unique features of the 'photo-energetics' of purple bacteria: a critical survey by the late Aleksandr Yuryevich Borisov (1930-2019).

Photosynthesis research·2019
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Tribute: a salute to Alexander Yurievich Borisov (1930-2019), an outstanding biophysicist.

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Author Correction: Rice intermediate filament, OsIF, stabilizes photosynthetic machinery and yield under salinity and heat stress.

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CO<sub>2</sub> uptake and chlorophyll a fluorescence of Suaeda fruticosa grown under diurnal rhythm and after transfer to continuous dark.

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Eugene I. Rabinowitch: A prophet of photosynthesis and of peace in the world.

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Genome-wide association study identifies variation of glucosidase being linked to natural variation of the maximal quantum yield of photosystem II.

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Energy quenching via triplet-excited state formation of glycosylated carotenoids in the photosynthetic reaction center complex of the green sulfur bacterium Chlorobaculum tepidum.

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Siphonous green macroalgae with contrasting capacities for the energy-dependent quenching, qE, rely on different photoprotective mechanisms.

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On the unidirectionality of electron transfer in reaction centers of Chloroflexus aurantiacus.

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The contribution of the <sup>240</sup>Ala:Glu:Glu:Thr<sup>243</sup> sequence in the DE-loop of D2 to the acceptor side of Photosystem II.

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Related Experiment Video

Updated: May 11, 2026

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot
07:12

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot

Published on: January 9, 2026

Photosynthesis Web resources.

Larry Orr1, Govindjee

  • 1ASU Center for Bioenergy and Photosynthesis, LightWorks, Arizona State University, Box 871604, Tempe, AZ 85287-1604, USA. larry.orr@asu.edu

Photosynthesis Research
|May 28, 2013
PubMed
Summary
This summary is machine-generated.

The internet provides crucial information on photosynthesis for diverse audiences, from students to researchers. Online resources are categorized to enhance accessibility and public awareness of this vital scientific topic.

More Related Videos

Non-invasive Assay for Chlorophyll Biosynthesis Kinetics Determination during Early Stages of Arabidopsis De-etiolation
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Non-invasive Assay for Chlorophyll Biosynthesis Kinetics Determination during Early Stages of Arabidopsis De-etiolation

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Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses
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Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses

Published on: August 9, 2019

Related Experiment Videos

Last Updated: May 11, 2026

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot
07:12

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot

Published on: January 9, 2026

Non-invasive Assay for Chlorophyll Biosynthesis Kinetics Determination during Early Stages of Arabidopsis De-etiolation
07:58

Non-invasive Assay for Chlorophyll Biosynthesis Kinetics Determination during Early Stages of Arabidopsis De-etiolation

Published on: January 12, 2024

Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses
10:20

Evaluation of Photosynthetic Behaviors by Simultaneous Measurements of Leaf Reflectance and Chlorophyll Fluorescence Analyses

Published on: August 9, 2019

Area of Science:

  • Plant Biology
  • Biochemistry
  • Environmental Science

Background:

  • The internet and World Wide Web are increasingly vital for information dissemination.
  • Public awareness and education rely on accessible online resources for various demographics.
  • Photosynthesis is a fundamental biological process with broad scientific and educational relevance.

Purpose of the Study:

  • To identify and categorize online resources related to photosynthesis.
  • To assess the accessibility and utility of web-based information on photosynthesis.
  • To provide a structured overview of available online information for diverse users.

Main Methods:

  • Literature review of online resources.
  • Categorization of websites based on content and target audience.
  • Analysis of information accessibility and relevance.

Main Results:

  • Identified numerous photosynthesis-related websites.
  • Grouped online resources into five categories: group sites, subject-specific sites, individual researcher sites, educator/student sites, and other useful sites.
  • Highlighted the importance of organized online information for education and public awareness.

Conclusions:

  • Online resources offer significant potential for educating the public and specialists about photosynthesis.
  • Categorizing web content improves discoverability and usability for various user groups.
  • Effective online information architecture is key to leveraging the internet for scientific education and awareness.