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Chapter 7 Notes
Chapter 7 Notes

... IV. Variations in Photosynthesis A. C4 plants 1. have extra metabolic steps preceding the C3 pathway 2. have very high rates of photosynthesis ...
NotesPhotosynthesisAndPlants
NotesPhotosynthesisAndPlants

... Date___________Hour_____ ...
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... THOUGHT PROVOKING QUESTIONS REGARDING PHOTOSYNTHESIS 1. If you were a leaf, would you prefer to be a small, narrow leaf, or a large, wide leaf? Why? (Be sure your answer correlates to photosynthesis.) _________________________________________________________________________ _________________________ ...
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... color of leghemoglobin, a protein in the nodule protecting the active nitrogen-fixing enzyme nitrogenase against the toxic effects of oxygen. Although we have not yet obtained direct evidence of nitrogenase activity in these nodules (reduction of acetylene to ethylene, for example), these findings s ...
C3.2 Leaf and Photos..
C3.2 Leaf and Photos..

... main purpose is to carry out or support the process of photosynthesis. • There are special organelles responsible for this. What are the organelles called? CHLOROPLASTS ...
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File

... Active transport moves sugars into the sieve tube from surrounding tissues. Water then follows by osmosis, creating pressure in the tube at the source of the sugars. If another region of the plant needs sugars, they are actively pumped out of the tube and into the surrounding tissues. Pressure diffe ...
Photosynthesis
Photosynthesis

... prism. The color of an object is the color of light reflected by the object. CHLOROPHYLL-this substance is a pigment. Pigments absorb light. Chlorophyll absorbs energy from all but the green portion of the light spectrum. When a photon strikes a chlorophyll molecule, the photon's energy is transferr ...
Capturing Solar Energy: Photosynthesis
Capturing Solar Energy: Photosynthesis

... – Incapable of producing their own food ...
О Discuss the fate of glucose after photosynthesis О List the steps in
О Discuss the fate of glucose after photosynthesis О List the steps in

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Photosynthesis - WordPress.com
Photosynthesis - WordPress.com

... The first parts of photosynthesis are called the light-dependent reactions in that they require the presence of light. In the chloroplast, the electrons that were stripped from the water molecules are excited by the light energy absorbed from the sun. The electrons, and the energy they are now stori ...
Photosynthesis: An Overview
Photosynthesis: An Overview

... • Light energy from the sun must be captured for photosynthesis to occur. • Sunlight is “white” light—actually a mixture of different wavelengths. ...
Photosynthesis Mini-Test
Photosynthesis Mini-Test

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who turned out the lights
who turned out the lights

... Where do cave-dwellers get their food? Well, some eat each other. And there are no plants there, due to the absence of light (that makes photosynthesis difficult!). But the strangest thing is that in some the food chain is powered by rock-eating bacteria. Now that’s extreme. How do they do it? They ...
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...  Diverse group of Gram-negative bacteria  Oxidize inorganic nitrogen to obtain energy  Nitrogen such as ammonia and nitrite  Important in the breakdown of ammonia containing waste  Nitrogen polluted waters become hypoxic  As nitrogen is oxidized oxygen is consumed ...
Plants and Photosynthesis
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... What Reaction uses water to make/build something more complex? – ____________________________________ ...
Hedging your bets- comparing hedgerows the easy way
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... When plant leaves absorb carbon dioxide from the air they combine it with water from the roots to make sugars for food but they usually have some left over oxygen so this is released out of the leaf. We can collect this oxygen to measure photosynthesis. ...
Photosynthesis Cloze Activity Directions: Use each of the terms
Photosynthesis Cloze Activity Directions: Use each of the terms

... thylakoid and exit to the _____________ through carrier proteins, an enzyme called __________________, which makes ___________. The electrons are sent to the _____________________ and become available to replace those that were used to make NADPH. The O2 is released by the plant through structures u ...
basic concepts of micro
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... • All organisms are named using the binomial system (binomial=“two names”) naming system. • Carolus Linnaeus was credited with the development of the binomial naming system. • The first name is the Genus to which the organism belongs. • Second name is the Species to which the organism belongs. • Gen ...
Photosynthesis Reading Guide 1. Define photosynthesis in your
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... 1. Define photosynthesis in your own words. 2. Where does photosynthesis occur in… a. Bacteria: b. Algae: c. Plants: d. Humans: 3. State and describe the three stages of photosynthesis. 4. What is the chemical equation for photosynthesis? 5. Draw and label a diagram depicting the inside of a chlorop ...
Bioenergetics and Mitosis Review Sheet
Bioenergetics and Mitosis Review Sheet

... 30. What is produced during cyclic electron flow? Through what process? 31. Where do H+ ions accumulate due to the ETC in photosynthesis? 32. In noncyclic electron flow, where does photosystem II get its electrons? Where does photosystem I get its electrons? 33. What is produced through noncyclic el ...
Overview of mitochondria and plastids function in energy conversion
Overview of mitochondria and plastids function in energy conversion

... Plastids are organelles found in photosynthetic eukaryotes (plants and algae). The primary function of the plastid is photosynthesis. This is the conversion of light energy into sugar g molecules. Some non-photosynthetic plants or algae still retain a plastid and its function is unclear. A plastid-d ...
Photosynthesis - New Scientist
Photosynthesis - New Scientist

... While some bacteria contain one kind of photosynthetic reaction centre, algae and plants contain two types – photosystem one and photosystem two. Charge separation in PS2 pulls electrons from the oxygen evolving centre and passes them to PS1. PS1 is activated by a second photon and the electrons it ...
photosynthesis checklist (pass – black )
photosynthesis checklist (pass – black )

... 18. State the nature of photosynthesis from the syllabus – what are the main events? 19. State the role & location of chlorophyll. 20. Explain the nature of electron carriage. 21. Identify the sources of light, CO2 & water for photosynthesis. 22. Explain how human intervention can play a role in pho ...
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Cyanobacteria



Cyanobacteria /saɪˌænoʊbækˈtɪəriə/, also known as Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis. The name ""cyanobacteria"" comes from the color of the bacteria (Greek: κυανός (kyanós) = blue). They are often called blue-green algae (but some consider that name a misnomer, as cyanobacteria are prokaryotic and algae should be eukaryotic, although other definitions of algae encompass prokaryotic organisms).By producing gaseous oxygen as a byproduct of photosynthesis, cyanobacteria are thought to have converted the early reducing atmosphere into an oxidizing one, causing the ""rusting of the Earth"" and causing the Great Oxygenation Event, dramatically changing the composition of life forms on Earth by stimulating biodiversity and leading to the near-extinction of anaerobic organisms (that is, oxygen-intolerant). Symbiogenesis argues that the chloroplasts found in plants and eukaryotic algae evolved from cyanobacterial ancestors via endosymbiosis. Cyanobacteria are arguably the most successful group of microorganisms on earth. They are the most genetically diverse; they occupy a broad range of habitats across all latitudes, widespread in freshwater, marine, and terrestrial ecosystems, and they are found in the most extreme niches such as hot springs, salt works, and hypersaline bays. Photoautotrophic, oxygen-producing cyanobacteria created the conditions in the planet's early atmosphere that directed the evolution of aerobic metabolism and eukaryotic photosynthesis. Cyanobacteria fulfill vital ecological functions in the world's oceans, being important contributors to global carbon and nitrogen budgets.– Stewart and Falconer
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