energy is ‘light’ from the sun. This is absorbed by a green substance called chlorophyll in the leaf. Therefore‚ photosynthesis takes place in the chloroplasts which are present in the palisade cells (found near the top of the leaf.) (fig: 1 ) As chloroplasts contain a green pigment called chlorophyll‚ which absorbs light energy needed to make photosynthesis happen. The equation for this reaction is: 6CO2 + 6H2O+ light energy
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REQUIRES ATP 9. TRANSPORT PROTEINS 10. ENDOCYTOSIS 11. WATER WILL MOVE INTO THE CELL 12. CHLOROPLAST 13. GREEN 14. IN THE STROMA 15. H20 16. IT EXCITES ELECTRONS IN CHLOROPHYLL 17. Making sugar 18. pigment‚ then to chlorophyll A 19. WATER SPLITTING 20. ELECTRONS ARE PASSED DOWN DEPENDENT REACTIONS Lab 5 1. a. What is the name of the pigment that captures light? (2 points) b. Why does the pigment appear green? (2 points) --Answer below: A. Chlorophyll B. Due to wavelengths of light that
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dimension * Need for surface area explains the elongated nerve cells * Microvilli – long‚ thin projections (animal only) that increases SA and not volume Nucleus * Contains most of genes (other genes are located in mitochondria and chloroplast) * Nuclear envelope (lipid bilayer‚ double membrane): encloses nucleus and separates its contents from the cytoplasm * Pore complex: regulates entry/exit of proteins‚ RNAs and macromolecules * Nucleoplasm: the cytoplasm of the nucleus
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of energy is known as respiration. Without respiration‚ photosynthesis would not be able to perform. The process of photosynthesis is able to perform its duties with the help of an organelle called chloroplast as well. Within the chloroplasts lie thylakoids‚ a membrane system that contains pigments which are used to capture light energy. Photosynthesis is also responsible for reducing carbon dioxide into glucose‚ because reducing power is present. Reducing power is made after electrons get excited
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types in the soil that decompose organic dead matter Parasites that live inside the bodies of other organisms‚ sometimes harming the host Diverse Modes of Nutrition Some protists have photosynthetic organelles called chloroplasts Photosynthetic protists are abundant in oceans‚ lakes‚ and ponds Free floating Mutually beneficial associations with other organisms: solar energy captured by the protist is used by host‚ which shelters and
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water samples that were collected from the Pacific coast of Japan (unpublished results). Among the isolates‚ a novel‚ highly selective astaxanthin-producing marine bacterium‚ labeled strain (N-5)‚ was isolated based on its ability to produce orange pigment on NA plate after 2 days of cultivation at 30 °C. Strain N-5 formed colonies that were medium in size (1.0−2.0 mm in diameter)‚ circular‚ shiny‚ and orange (Figure 1B). Unless otherwise specified‚ all characteristics described hereafter are those
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waste product Referring to the above equation‚ it can be seen that light energy plays the role as the source of energy stimulating the process of photosynthesis. The main pigment that absorbs light energy is chlorophyll which is the green pigment found inside chloroplasts. A green leaf cut out into discs of the same size are used in this experiment. This experiment is carried out to discover how different intensity would affect the rate of photosynthesis. Hypothesis
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Mesophyll cell of healthy onion leaf with normal shape nucleus(Nu)‚Nucleolus (NO) and number of chloroplasts (arrow)‚ (C): Cell of IYSV -infected leaf showing large size of the nucleus (Nu)‚dense aggregation and segmented chromatin (Ch) ; (D): Lyses of rough endoplasmic reticulum(rER) and nuclear membrane(NM ) producing many small vacuoles(V) ; (E): Elongated nucleus and lyses of mitochondria(M) and chloroplast (C) of infected cell and ( f ): Showing virus like particles (VLP) in cytoplasm adjacent plasma
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Chloroplasts are organelles composed of a phospholipid inner and outer membrane. Between these 2 membranes is an intramembranous space. Inside the inner membrane is a fluid called the stroma which contains thylakoids‚ where photosynthesis takes place. The thylakoids are shaped like pancakes and are bounded by a membrane. Photosynthesis takes place on the thylakoid membrane. The thylakoid membrane has proteins embedded in it. The pigment chlorophyll is embedded in
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DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
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