Photosynthesis Green plants absorb light energy using chlorophyll in their leaves. They use it to react carbon dioxide with water to make a sugar called glucose. The glucose is used in respiration‚ or converted into starch and stored. Oxygen is produced as a by-product. This process is called photosynthesis. Temperature‚ carbon dioxide concentration and light intensity are factors that can limit the rate of photosynthesis. Photosynthesis summary Photosynthesis [photosynthesis: The chemical change
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Evolutionary trees convey a lot of information about a group’s evolutionary history. Biologists are taking advantage of this by using a system of phylogenetic classification. In contrast to the traditional Linnaean system of classification‚ phylogenetic classification names only clades. For example‚ a strictly Linnaean system of classification might place the birds and non-Avian dinosaurs into two separate groups. However‚ the phylogeny of these organisms reveals that the bird lineage actually
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yellow after it was exposed to saliva. 6. k. Red algae have phycobilin pigments (phycoerythrin and phycocyanin) that mask the color of the chlorophylls. Brown algae have xanthophyll pigments that mask the green color of the chlorophyll. Green algae have cholorphylls a and b that give a bright green color. l. All algae have chlorophyll. 7. m. The hyphae of Rhizopus are coenocytic. n. Gametangia (hyphae fuse)‚ plasmogomy occurs‚ karyogamy occurs forming Zygosporangium
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Unit Test #2 Review Redox Reactions oxidation: involves loss of electrons‚ often occur with loss of hydrogen‚ occur with gain of oxygen reduction: involves gain of electrons‚ often occur with loss of oxygen‚ occur with gain of hydrogen redox reactions: coupled reactions that play a key role in flow of energy‚ involve gain/loss of electrons Energy Terms anabolic: using energy to build large molecules catabolic: breaking down compounds into smaller molecules to release energy metabolism: all the
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insects) were the highest at the first three weeks‚ before it starts declining gradually (figures 14-15). Chlorophyll measurements by SPAD readings showed no significant differences between the different O. lybicus population levels‚ but high significant changes in temperature occurred overtime (P < 0.001) (Figure 16). Honey dew droplets had a slight negative relation with chlorophyll loss in weeks 1‚ 2‚ and 6 figure 5‚ 6 and7. However‚ the honeydew droplets had a moderate positive relation with
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Natalia Rey 080927440 BI338 Lab 1 Measuring the Success of Pisum sativum leaf cell fractionation: SDS-Polyacrylamide Gel Electrophoresis and Western Blot Analysis Introduction In order to evaluate the success of cellular fractionation‚ there are various methods that can be implemented that target specific proteins and/or receptors specific to particular organelles. SDS-PAGE (sodium dedocyl sulfate- polyachrylamide gel electrophoresis) is a technique used to separate proteins based on
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Seaweed‚ Black Pine‚ Coral Weed‚ Mussels‚ Acorn Barnacles‚ Gooseneck Barnacles‚ Whelk‚ Chiton‚ and Starfish. The Nori seaweed‚ Black Pine‚ and Coral Weed are all algae‚ which means they live in damp environments and are plant like and have chlorophyll. Having chlorophyll they make their own food through photosynthesis‚ the fact they can make their own food makes them autotrophs or producers‚ and are the lowest on the trophic level. The Acorn barnacles‚ mussels‚ and gooseneck barnacles are the filter feeders
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Aerobic Respiration Breaking down glucose to release energy Products are Carbon dioxide and water Diffusion is … the movement of molecules from a region of high concentration to a low concentration until the concentration is equal. Role of a human circulatory system: Diffuse In – oxygen (O2)‚ dissolved food (glucose) and water (H2O) Diffuse Out – carbon dioxide (CO2)‚waste and water(H2O) Respiration – releasing energy in cells Breathing – getting air into and out of your body
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energy that is stored in sugar and other organic molecules (Photosynthesis‚ 2014‚ p. 185). In plants that contain chlorophyll‚ the photosynthesis process splits H20‚ releasing oxygen‚ and storing the produced energy resulting from the chemical reaction inside a carbohydrate molecule. This is shown in the following equation for photosynthesis: Water + Carbon Dioxide (with the aid of chlorophyll and light energy) Glucose + Oxygen (Matthews & Lindbeck‚ 2013). In addition‚ the rate of photosynthesis has
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Photosynthesis Lab Answer Key Vocabulary: carbon dioxide‚ chlorophyll‚ glucose‚ limiting factor‚ nanometer‚ photosynthesis‚ wavelength Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] • To survive‚ what gas do we need to breathe in? Oxygen • Where is this gas produced? In plants Gizmo
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