Vocabulary: Cell Energy Cycle Vocabulary • Aerobic respiration – a chemical process in which oxygen is used to produce energy from carbohydrates. o Aerobic respiration produces much more energy than anaerobic respiration. Aerobic respiration results in the formation of 30 to 38 ATP molecules per molecule of glucose. • Anaerobic respiration – a chemical process in which carbohydrates are partially broken down without using oxygen. A small amount of energy is produced
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B. Chlorophyll, the primary pigment used in photosynthesis, it reflects green light and absorbs red and blue light most strongly. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. C. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle. D. Chlorophyll A is the major pigment used in photosynthesis, but there are several types of chlorophyll and
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Yanga, Kal Ezekiel G. 1E1 By Roland Pieruschkaa, Gregor Hubera and Joseph A. Berry This article simply shows the Control of Transpiration. Isn’t it strange that a lot of scientists mainly study about living organisms especially plants? And yet they cannot give a lot of information about the components that controls it? As we all know that Plants can adjust depending on their environment. Where, Hot temperature can be applied to plants which
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population size 4 Section 1.4 / 1.5 – Competition / Predation 5 Section 1.6 – Human Populations 6 Section 2.1 – Energy and ATP 8 Section 3.1 + 3.2 – Photosynthesis and the light dependent reaction 10 Section 3.3 – The light – independent reaction 11 Section 3.4 – Factors affecting photosynthesis 12 Section 4.1 – Glycolysis 13 Section 4.2 – Link reaction + Kreb cycle 14 Section 4.3 – Electron transport chain 15 Section 4.4 – Anaerobic respiration
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the number of photons striking 1m2/second Visible light (400-700 nanometers) carries ~45% of solar energy at sea level Three pathways for using this energy: 1. C3 (photosynthesis) – C3 plants 2. C4 – C4 plants 3. CAM (crassulacean acid metabolism) Question: What ecological consequences do these biochemical pathways of photosynthesis have? C3 vs C4 plants C4 plants use lower concentration of CO 2: - can afford to open stomata less than C 3 plants - conserve water The two pathways involve different
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Corrections can only be made on questions you have attempted to answer. This assignment is to be done ON YOUR OWN. It will count as 0.5% of your course grade. Read the article at the following link: http://www.nature.com/news/hacked-photosynthesis-could-boost-crop-yields-1.15949 Note: Nature is the one of two or three premier journals in science (only the most important work gets published in it), but their news section is highly readable. 1. What is the title of the news article
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Phytochemical screening of the leaves extract All the solvent extracts were subjected to phytochemical screening and the results are presented in Table 1. Qualitative analysis of the leaf extract of A. muricata showed the presence of various phytochemicals. Methanolic extract of Annona muricata leaves showed the presence of alkaloids, flavonoids, coumarins, carbohydrates, glycosides, proteins, phenols, anthraquinones, steroids, phytosterols, cardiac glycosides and oil in the leaf. Carbohydrates,
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neutralizes various organic anions and other Photosynthesis compounds within the plant, helping to stabiThe role of K in photosynthesis is comlize pH between 7 and 8...optimum for most plex. The activation of enzymes by K and its enzyme reactions. involvement in adenosine triphosphate (ATP) The amount of K present in the cell deter- production is probably more important in regmines how many of the enzymes can be acti- ulating the rate of photosynthesis than is the vated and the rates at which chemical
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Communication, Homeostasis & Energy Communication & Homeostasis Outline the need for communication systems within multicellular organisms, with reference to the need to respond to changes in the internal and external environment and to co-ordinate the activities of different organs. Organisms need to respond to external stimuli, e.g. temperature, oxygen concentration and levels of sunlight. These may be over time, e.g. winter fur to summer fur, or quickly, e.g. changing size of pupils. Internal
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G. ROOT BARRIER. This layer prevents plant roots from reaching and penetrating the waterproofing membrane or insulation if there are any. Plants with aggressive root barriers usually penetrate the membrane in search of moisture. H. PROTECTION BOARD. The protection board is used to prevent any damage to the membrane until all essential components are installed. According to Tolderlund (2010), membranes are usually made of durable materials that are water resistant and have a thickness of between 1/8
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