INTRODUCTION Bryophytes are non-vascular plants‚ small green‚ simple‚ spore bearing and unique among plants in having relatively large‚ photosynthetic‚ and free living haploid gametophytes‚ and unbranched diploid sporophytes that remain attached to the maternal gametophyte throughout their life span‚ thus‚ it is heteromorphic in their life cycle (Azuelo et al‚ 2012). There are about 24‚000 bryophyte species worldwide. One division is a Hepatophyta or the liverworts which are tiny
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oxygen. It’s a series of electrons carriers in the membrane of the mitochondria. Photosynthesis: • What is the overall goal of photosynthesis? Photosynthesis is a process whereby plants‚ algae and bacteria convert light energy in to chemical energy‚ using carbon dioxide and water. • Because photosynthesis only occurs in plants‚ why is it essential to animal life? Photosynthesis is important for animals because the plants produce the sugar they need as a vital
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Name Class Date 9.1 Cellular Respiration: An Overview Lesson Objectives Explain where organisms get the energy they need for life processes. Define cellular respiration. Compare photosynthesis and cellular respiration. Lesson Summary Chemical Energy and Food Chemical energy is stored in food molecules. Energy is released when chemical bonds in food molecules are broken. Energy is measured in a unit called a calorie‚ the amount of energy needed to raise the temperature of 1
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absorb it. 2. List two variables besides the wavelength (color) of light which might affect the rate of food production in plants. Light intensity and carbon dioxide 3. Why is chlorophyll important for all biological life? It is necessary for photosynthesis which creates food for plants which is food for animals. 4. A. In Part I of the procedure‚ what is the name of the indicator used to identify the presence of CO2? Phenol Red 4. B. What color did the indicator turn after blowing air into the
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Unit 2: Cell Biolo SCIE206-1401B-08 Photosynthesis and cellular respiration make one large cycle that sustains life on earth. Through photosynthesis the suns energy is constantly being transformed into glucose‚ which is a chemical energy. Respiration is the chemical activity that occurs in all plants and animal cells that release the energy from the glucose. Photosynthesis cannot exist with cellular respiration‚ they are completely linked together in providing the energy through
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surroundings. The nutrients enable living organisms to build their bodies‚ to grow‚ to repair damaged parts of their bodies and provide the energy to carry out life processes. Nutrition is the mode of taking food by an organism and its 1 .2 PHOTOSYNTHESIS — FOOD MAKING PROCESS IN PLANTS Leaves are the food factories of plants. The synthesis of food in plants occurs in leaves. Therefore‚ all the raw materials must reach there. Water and minerals present in the soil are
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cycles to feed. I explained to him how plants use photosynthesis and respiration to produce sugars for food then releasing the used energy into our atmosphere. Four main factors needed to produce these processes are sunlight‚ oxygen‚ carbon dioxide‚ and water. I would explain to Van Helmont that under a microscope plants have cells that have tiny green pigments that contain chloroplast where all of the chemical reactions are computed. In photosynthesis a plant takes in carbon dioxide‚ water‚ and sunlight
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contain chloroplasts‚ which convert the energy in light to chemical energy through photosynthesis. The cylindrical shape of palisade cells allows a large amount of light to be absorbed by the chloroplasts. Beneath the palisade mesophyll are the spongy mesophyll cells‚ irregularly-shaped cells that having many intercellular spaces to allow the passage of gases‚ such as the intake of carbon dioxide for photosynthesis to take place. The stomata is the way in which these gases are exchanged‚ as well as
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DISCUSSION Photosynthesis is a process of converting light energy into chemical energy and storing in the bonds of sugar. Photosynthesis takes place in the plant leaves. In the leaves‚ there are mesophyll cells that have chloroplasts‚ where the photosynthesis occurs. During experiment‚ two leaves were tested for the presence and localization of starch. One leaf was a light-grown plant with mask‚ and the other was a dark-grown plant with mask. Both leaves were soaked in iodine solution and then
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Questions 1. Based on what you already know about photosynthesis‚ develop a testable hypothesis to explain the influence of an increase in light intensity on the photosynthetic rate in tomato leaves. 2. What is the relationship between an increase in light intensity and photosynthetic rate in tomato leaves? Does this relationship support the hypothesis that you formulated? As light intensity increases then the rate of photosynthesis increases linearly until a point is reached when the
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