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Photosynthesis

Photosynthesis Notes

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Biology
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Chemistry
Biology
Matter
Photosynthesis
Plant physiology
Pigments
Photosynthetic pigments
Biological pigment
Oxygen
Absorption
Light-harvesting complex
Chlorophyll a
Technology
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Photosynthesis
Biology
Chemistry
biochemistry
Thylakoid
Light-dependent reactions
Photophosphorylation
Photorespiration
Photosystem
RuBisCO
Light-independent reactions
Calvin cycle

Photosynthesis Wednesday, March 06, 2013 11:00 PM ? Photosynthesis Photosynthesis - the process of converting energy in sunlight to energy in chemical bonds, especially glucose 6CO2 + 6H2O + light -> C6H12O6 + 6O2 Begins with light-absorbing pigments in plant cells A pigment molecule is able to absorb energy from light only within a narrow range of wavelengths In order to absorb as much of the entire bandwidth from sunlight as possible, different pigments, capable of absorbing different wavelengths, act together to optimize energy absorption These pigments include the green chlorophyll a and chlorophyll b and the carotenoids, which are red, orange, or yellow

Introduction to Biology Ch.1

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Biology
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Photosynthetic pigments
Tetrapyrroles
Photosynthesis
Organelles
Plant physiology
Chloroplast
Chlorophyll
Evolution
Attachment theory
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Bio 220 Campbell 9th Edition Chapter 1

Evolution- the process of change that has transformed life on earth from its earliest beginning to the diversity of organisms living today Fundamental organizing principle of biology ? 1.1 The study of life extends from the microscopic scale of the molecules and cells that make up organisms to the global scale of the entire living planet Emergent Properties- The arrangement and interactions of parts as complexity increases. Although photosynthesis occurs in intact chloroplasts, it will not take place in a disorganized test-tube mixture of chlorophyll and other chloroplast molecules . Photosynthesis requires a specific organization of these molecules in the chloroplast. Theme: New properties emerge at each level in the biological hierarchy

ap bio lab 4

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Biology
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Tetrapyrroles
Chlorophyll
Pigment
Photosynthesis
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bio lab 4

Katie Hallstead Mrs. Legary AP Biology p.0 January 15, 2013 Lab 4: Plant Pigment and Photosynthesis Abstract In this experiment, there are two activities that aim to find two different things. In the first one, paper chromatography is used to separate the pigments found in chlorophyll. The second activity consists of measuring the rate of photosynthesis by observing the change in color that happens when DPIP is reduced through a time interval. Problem How many pigments exist within plants, and at what rates do they photosynthesize when exposed to different lights? Hypothesis

Photosynthesis

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Biology
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Agronomy
Botany
Cellular respiration
Photosynthesis
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World Wide Web
CNote
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Photosynthesis

AP Biology R-11 Essential Knowledge: Ch 10 Photosynthesis 10.1 Photosynthesis converts light energy to the chemical energy of food Autotrophs (producers) make their own organic molecules (food) from inorganic substances; heterotrophs (consumers) obtain their organic molecules by eating other organisms Plants are autotrophs that make their own organic molecules via photosynthesis Photosynthesis converts radiant energy (sunlight) into chemical energy (glucose) Photosynthesis occurs in the chloroplasts Leaves are the major site of photosynthesis in plants Chlorophyll is a green pigment found in the chloroplasts; it is the chlorophyll that actually absorbs the light energy Tiny pores on the underside of leaves, called stomata, are where CO2 enters and O2 exits

Plant Organs and Organ Systems

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Biology
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Botany
Plant anatomy
Plant physiology
Plant morphology
Tissues
Leaf
Photosynthesis
Root
Plant
Secondary growth

Plant Organs & Organ Systems --roots, stems, leaves Vascular Plant Organs -primary growth *chloroplasts in some green stems but PRIMARILY in the leaves *mitochondria- in all cells Vegetative Parts -roots, stems, leaves -for maintainance of individual, growth -somatic cells Reproductive Parts -flowers, fruits, seeds -maintainance of species *some no flowers, only spores ~PIC1 Root -anchors the plant -absorbs water and minerals -root hairs -brown, white, red, black -no green (few exceptions: orchids) -shape: cylindrical -produce hormones, some for storage ~PIC2 Root Systems ~PIC3 Radicle -first that grows out in germination -will become the primary root *2nd, 3rd, 4th.. root- ?lateral roots? ~PIC4 Patterns of Root Growth Taproot system

Energy: Photosynthesis and Respiration

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Chemistry
Biology
Matter
Cellular respiration
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Photosynthesis
Plant physiology
Energy
Oxygen
Metabolism
Respiration
Technology

ENERGY Physiology Function:worklive -grows(mitosis) -reproduce(meiosis+fertilization) -metabolism(photosynthesis and respiration) -inheritance(generation) Definition of Energy 2 Laws of Energy: 1.Conservation of Energy- energy is neither created nor destroyed, only transformed(1st law) *forms of energy: solar, potential, mechanical 2.Entropy- during the transformation of energy, some energy become disordered & becomes heat(2nd law) *heat: ?disordered energy? Coupled Reactions and Chemical Bonds *?coupled?: with partner *coupled reactions= redox reactions 1.Reduction- gains electrons -creates chemical bond -stores energy in molecule -Photosynthesis(anabolic) 2.Oxidation-loses electrons

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