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7.343 Photosynthesis: Life from Light (MIT) 7.343 Photosynthesis: Life from Light (MIT)

Description

In this course, you will journey through the web of physical, chemical, and biological reactions that collectively constitute photosynthesis. We will begin with light harvesting and follow photons to the sites of primary photochemistry: the photoreaction centers. A molecular-scale view will show in atomic detail how these protein complexes capture and energize electrons. Then we will follow the multiple pathways electrons take as they carry out their work. Consequent reactions, such as the synthesis of ATP and the reduction of CO2 during the synthesis of carbohydrates, will also be discussed in structural detail. Lastly, we will delve into the evolution of these systems and also discuss other photosynthetic strategies, such as light-driven proton pumps and anoxygenic photosynthesis. The co In this course, you will journey through the web of physical, chemical, and biological reactions that collectively constitute photosynthesis. We will begin with light harvesting and follow photons to the sites of primary photochemistry: the photoreaction centers. A molecular-scale view will show in atomic detail how these protein complexes capture and energize electrons. Then we will follow the multiple pathways electrons take as they carry out their work. Consequent reactions, such as the synthesis of ATP and the reduction of CO2 during the synthesis of carbohydrates, will also be discussed in structural detail. Lastly, we will delve into the evolution of these systems and also discuss other photosynthetic strategies, such as light-driven proton pumps and anoxygenic photosynthesis. The co

Subjects

photosynthesis | photosynthesis | life from light | life from light | conversion | conversion | solar energy | solar energy | chemical energy | chemical energy | biogeochemical cycles | biogeochemical cycles | global warming | global warming | physical | physical | chemical and biological reactions | chemical and biological reactions | light harvesting | light harvesting | photochemistry | photochemistry | protein complexes | protein complexes | synthesis of ATP | synthesis of ATP | reduction of CO2 | reduction of CO2 | carbohydrates | carbohydrates | light-driven proton pumps | light-driven proton pumps | anoxygenic photosynthesis | anoxygenic photosynthesis

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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7.343 Photosynthesis: Life from Light (MIT)

Description

In this course, you will journey through the web of physical, chemical, and biological reactions that collectively constitute photosynthesis. We will begin with light harvesting and follow photons to the sites of primary photochemistry: the photoreaction centers. A molecular-scale view will show in atomic detail how these protein complexes capture and energize electrons. Then we will follow the multiple pathways electrons take as they carry out their work. Consequent reactions, such as the synthesis of ATP and the reduction of CO2 during the synthesis of carbohydrates, will also be discussed in structural detail. Lastly, we will delve into the evolution of these systems and also discuss other photosynthetic strategies, such as light-driven proton pumps and anoxygenic photosynthesis. The co

Subjects

photosynthesis | life from light | conversion | solar energy | chemical energy | biogeochemical cycles | global warming | physical | chemical and biological reactions | light harvesting | photochemistry | protein complexes | synthesis of ATP | reduction of CO2 | carbohydrates | light-driven proton pumps | anoxygenic photosynthesis

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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1.018J Ecology I: The Earth System (MIT) 1.018J Ecology I: The Earth System (MIT)

Description

We will cover fundamentals of ecology, considering Earth as an integrated dynamic system. Topics include coevolution of the biosphere, geosphere, atmosphere and oceans; photosynthesis and respiration; the hydrologic, carbon and nitrogen cycles. We will examine the flow of energy and materials through ecosystems; regulation of the distribution and abundance of organisms; structure and function of ecosystems, including evolution and natural selection; metabolic diversity; productivity; trophic dynamics; models of population growth, competition, mutualism and predation. This course is designated as Communication-Intensive; instruction and practice in oral and written communication provided. Biology is a recommended prerequisite. We will cover fundamentals of ecology, considering Earth as an integrated dynamic system. Topics include coevolution of the biosphere, geosphere, atmosphere and oceans; photosynthesis and respiration; the hydrologic, carbon and nitrogen cycles. We will examine the flow of energy and materials through ecosystems; regulation of the distribution and abundance of organisms; structure and function of ecosystems, including evolution and natural selection; metabolic diversity; productivity; trophic dynamics; models of population growth, competition, mutualism and predation. This course is designated as Communication-Intensive; instruction and practice in oral and written communication provided. Biology is a recommended prerequisite.

Subjects

biosphere | biosphere | geosphere | geosphere | atmosphere | atmosphere | photosynthesis | photosynthesis | respiration | respiration | hydrologic cycle | hydrologic cycle | carbon cycle | carbon cycle | nitrogen cycles | nitrogen cycles | ecosystems | ecosystems | regulation and abundance of organisms | regulation and abundance of organisms | evolution | evolution | natural selection | natural selection | metabolic diversity | metabolic diversity | productivity | productivity | trophic dynamics | trophic dynamics | models of population growth | models of population growth | competition | competition | mutualism | mutualism | predation. | predation.

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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7.343 Photosynthesis: Life from Light (MIT)

Description

In this course, you will journey through the web of physical, chemical, and biological reactions that collectively constitute photosynthesis. We will begin with light harvesting and follow photons to the sites of primary photochemistry: the photoreaction centers. A molecular-scale view will show in atomic detail how these protein complexes capture and energize electrons. Then we will follow the multiple pathways electrons take as they carry out their work. Consequent reactions, such as the synthesis of ATP and the reduction of CO2 during the synthesis of carbohydrates, will also be discussed in structural detail. Lastly, we will delve into the evolution of these systems and also discuss other photosynthetic strategies, such as light-driven proton pumps and anoxygenic photosynthesis. The co

Subjects

photosynthesis | life from light | conversion | solar energy | chemical energy | biogeochemical cycles | global warming | physical | chemical and biological reactions | light harvesting | photochemistry | protein complexes | synthesis of ATP | reduction of CO2 | carbohydrates | light-driven proton pumps | anoxygenic photosynthesis

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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Biofuels Biofuels

Description

This free course, Biofuels, investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. The different types of biofuel are explored, with particular emphasis on transport biofuels. Finally, the issue of whether biofuels are the complete answer to our future energy needs is considered. First published on Mon, 21 Mar 2016 as Biofuels. To find out more visit The Open University's Openlearn website. Creative-Commons 2016 This free course, Biofuels, investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. The different types of biofuel are explored, with particular emphasis on transport biofuels. Finally, the issue of whether biofuels are the complete answer to our future energy needs is considered. First published on Mon, 21 Mar 2016 as Biofuels. To find out more visit The Open University's Openlearn website. Creative-Commons 2016

Subjects

Science | Science | biofuels | biofuels | photosynthesis | photosynthesis | energy | energy | fuel | fuel | climate | climate | change | change | global warming | global warming | biogas | biogas | wood | wood | S173_1 | S173_1

License

Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

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Energy resources: An introduction to energy resources

Description

Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are many different sources of energy, some well-known such as coal or petroleum, others less so, such as tides or the heat inside the Earth. Is nuclear power a salvation or a nightmare? This unit provides background information to each resource, so that you can assess them for yourself.

Subjects

anoxic biomass carbohydrates energy density energy efficiency energy force fossil fuels fuels geesoer hydropower kinetic energy methane nuclear energy photosynthesis potential energy power primary energy renewable energy supplies residence time respiration solar energy ukoer work | Education | X000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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Biofuels

Description

This free course investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. The different types of biofuel are explored with particular emphasis on transport biofuels. Finally the issue of whether biofuels are the complete answer to our future energy needs is considered.

Subjects

Science | biofuels | photosynthesis | energy | fuel | climate | change | global warming | biogas | wood | S173_1

License

Except for third party materials and otherwise stated in the acknowledgement section (see our terms and conditions http://www.open.ac.uk/conditions) this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. - http://creativecommons.org/licenses/by-nc-sa/4.0 Except for third party materials and otherwise stated in the acknowledgement section (see our terms and conditions http://www.open.ac.uk/conditions) this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. - http://creativecommons.org/licenses/by-nc-sa/4.0

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Rastline osvajajo kopno - križanka Plants are conquering the land - crossword

Description

Križanka sestavljena iz besed povezanih s prvimi kopenskimi rastlinami. Crossword puzzle build of terms related to the first land plants.

Subjects

biologija | biology | fotosinteza | photosynthesis | list | leaf | korenina | root | rastlina | plant | križanka | crossword

License

http://creativecommons.org/licenses/by-nc-sa/2.5/si/ http://creativecommons.org/licenses/by-nc-sa/2.5/si/

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Rastline osvajajo kopno- anagram Plants are conquering the land - anagram

Description

Anagrami iz besed povezanih s prvimi kopenskimi rastlinami. Anagrams of terms related to the first land plants.

Subjects

biologija | biology | fotosinteza | photosynthesis | rastlina | plant | korenina | root | list | leaf | anagram

License

http://creativecommons.org/licenses/by-nc-sa/2.5/si/ http://creativecommons.org/licenses/by-nc-sa/2.5/si/

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The Molecular Basis of Photosynthesis

Description

The tutorial guides learners through the key events in photosynthesis. A narrative description of the processes involved is presented in a panel at the right, with embedded buttons at key points. Activating these buttons will then load a 3D molecule in the left hand panel, highlighting the relationship between the process and the structures of the molecules involved.

Subjects

biology | plant science | photosynthesis | jmol | jorumcomp10 | Biological sciences | C000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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1.018J Ecology I: The Earth System (MIT)

Description

We will cover fundamentals of ecology, considering Earth as an integrated dynamic system. Topics include coevolution of the biosphere, geosphere, atmosphere and oceans; photosynthesis and respiration; the hydrologic, carbon and nitrogen cycles. We will examine the flow of energy and materials through ecosystems; regulation of the distribution and abundance of organisms; structure and function of ecosystems, including evolution and natural selection; metabolic diversity; productivity; trophic dynamics; models of population growth, competition, mutualism and predation. This course is designated as Communication-Intensive; instruction and practice in oral and written communication provided. Biology is a recommended prerequisite.

Subjects

biosphere | geosphere | atmosphere | photosynthesis | respiration | hydrologic cycle | carbon cycle | nitrogen cycles | ecosystems | regulation and abundance of organisms | evolution | natural selection | metabolic diversity | productivity | trophic dynamics | models of population growth | competition | mutualism | predation.

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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Biofuels

Description

This free course investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. The different types of biofuel are explored with particular emphasis on transport biofuels. Finally the issue of whether biofuels are the complete answer to our future energy needs is considered.

Subjects

Technology | biofuels | photosynthesis | energy | fuel | climate | change | global warming | biogas | wood | S173_1

License

Except for third party materials and otherwise stated in the acknowledgement section (see our terms and conditions http://www.open.ac.uk/conditions) this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. - http://creativecommons.org/licenses/by-nc-sa/4.0 Except for third party materials and otherwise stated in the acknowledgement section (see our terms and conditions http://www.open.ac.uk/conditions) this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. - http://creativecommons.org/licenses/by-nc-sa/4.0

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Introduction to Molecular and Cellular Biology

Description

Though biology as we know it today is a relatively new field, we have been studying living things since the beginning of recorded history. This introductory course in biology starts at the microscopic level, with molecules and cells, then moves into the specifics of cell structure and behavior. This free course may be completed online at any time. See course site for detailed overview and learning outcomes. (Biology 101; See also: Psychology 203)

Subjects

biology | scientific method | homeostasis | metabolism | adaptation | evolution | reproduction | cells | photosynthesis | genetics | mitosis | meiosis | respiration | Biological sciences | C000

License

Attribution 2.0 UK: England & Wales Attribution 2.0 UK: England & Wales http://creativecommons.org/licenses/by/2.0/uk/ http://creativecommons.org/licenses/by/2.0/uk/

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Introduction to Molecular and Cellular Biology

Description

This course is intended for the student interested in the smallest units within biology: molecules and cells. Introduction to Molecular and Cellular Biology has been developed through a partnership with the Washington State Board for Community and Technical Colleges; the Saylor Foundation has modified some WSBCTC materials. This free course may be completed online at any time. See course site for detailed overview and learning outcomes. (Biology 101B)

Subjects

biology | scientific method | homeostasis | metabolism | adaptation | evolution | reproduction | cells | photosynthesis | genetics | mitosis | meiosis | respiration | molecules | mendel | genes | Biological sciences | C000

License

Attribution 2.0 UK: England & Wales Attribution 2.0 UK: England & Wales http://creativecommons.org/licenses/by/2.0/uk/ http://creativecommons.org/licenses/by/2.0/uk/

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Botany

Description

This course presents the basics of plant biology. The student will begin with plant anatomy, learning the names and functions of all of the parts of a plant, then move on to plant physiology, which explores photosynthesis, growth, and reproduction. Next, the student will study plant evolution according to the fossil record and examine the diversity of plant life in existence today and how that diversity impacts global ecology. This free course may be completed online at any time. See course site for detailed overview and learning outcomes. (Biology 306)

Subjects

biology | botany | plants | anatomy | plant physiology | respiration | transpiration | reproduction | taxonomy | ecology | photosynthesis | evolution | Biological sciences | C000

License

Attribution 2.0 UK: England & Wales Attribution 2.0 UK: England & Wales http://creativecommons.org/licenses/by/2.0/uk/ http://creativecommons.org/licenses/by/2.0/uk/

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Prvotni organizmi in prehranjevanje - križanka First organisms - crossword

Description

Križanka sestavljena iz besed povezanih z prvotnimi organizmi. Crossword puzzle build of terms related to the first organisms.

Subjects

znanstvene vede | sciences | naravoslovne vede | natural sciences | biološke vede | biological sciences | biologija | biology | klorofil | chlorophyll | simbioza | symbiosis | organizem | organism | križanka | crossword | fotosinteza | photosynthesis

License

http://creativecommons.org/licenses/by-nc-sa/2.5/si/ http://creativecommons.org/licenses/by-nc-sa/2.5/si/

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