Biology 1101 – Homework 3 Cells: Structures & Processes Organelles & Illness - Imagine that you are part of a research team that specializes in diagnosing disorders associated with malfunctioning cellular organelles and structures. Medical doctors consult you to provide a cellular explanation for particularly difficult cases. You recently received the two patient histories outlined below – what is your diagnosis? Note – this exercise is only asking you to determine which cell structure might be
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Chapter 10 – Photosynthesis – Homework 1. Write the basic equation for Photosynthesis (Ps). 2. Some students define Ps as the process by which plants use light energy as food. Discuss if this is a correct statement that would likely be accepted by an AP Biology Exam Reader. 3. Contrast and compare an absorption spectra versus an action spectra for Ps. 4. Discuss why is the narrow area of electromagnetic radiation between 380-750 nm is the best choice to power a process like Ps
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Collecting Photosynthetic Rates in Spinach (Spinacia oleracea) Introduction: The purpose of this study was to see which light color would cause the spinach sample to photosynthesize the most within the given time. In order to understand photosynthesis‚ we need to know that chloroplasts absorb light energy from the sun‚ the plant then takes that energy along with water and carbon dioxide and changes it to sugar and oxygen. This happens in order for the plants to grow. But‚ light energy comes in a
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→IMPORTANCE OF FORESTS •Forests play a role indispensable for life on earth by absorbing carbon dioxide and fixing carbon while releasing oxygen into air through Photosynthesis‚ particularly‚ tropical forests absorb almost 2-3 times as much carbon dioxide as temperate forests and have thus been called ‘the lungs of our planet’ •Conservation of water resources •Prevention of disasters •Supplying forest products •Sheltering Rich Ecosystems Wholesome influence of forest on environment:
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Formative Assignment Including PSAfor class IX PHYSICS 1. Motion is relative or absolute? Give reason. 2. Name the physical quantity that essentially changes as a body moves. 3. Is displacement or distance independent of path? How? 4. Give example of a motion in which distance is covered but there is no displacement. 5. Give one example of motion where‚ distance and displacement are same. 6. When moving car returns to the same point what will be the ratio of
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Why is water important for living organisms? Water is very important in all living organisms‚ it is vital for many different things. Around 70% of our body weight is due to water. The quantity is high in organs such as lungs and brain and fluids such as blood‚ lymph‚ saliva and secretions by the organs of the digestive system. First of all water is vital in the regulation of body temperature to depending on the temperature mammals will alter the amount they sweat. If they are to warm the amount
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Use this document to report your findings from the LeafLab Exploration Experiment. The lab report consists of three sections: Data‚ Exploration‚ and Lab Summary. Data: copy any data‚ graphs‚ charts‚ or notes that you have saved in your LeafLab online notebook into this section. Exploration: Answer the questions. The questions in the Exploration section are the same questions in your LeafLab instructions. Lab Summary: Write a 100- to 200-word summary. Data To copy your data from your online
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Unit 4 The Natural Environment and Species Survival A2 compulsory unit Externally assessed 7.1 Unit description Topic 5: On the wild side This topic builds an appreciation that photosynthesis is the primary process that underpins the majority of ecosystems‚ and provides students with an understanding of how ecosystems work. The topic continues by looking at whether climate change will lead to extinction of species or evolution by natural selection‚ and looks at the evidence for global
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separate chlorophyll a‚ chlorophyll b‚ xanthophyll‚ and beta carotene. When these pigments were obtained they were used to measure the wavelengths by way of spectrophotometer of each and the total of all the pigments wavelength. Introduction Photosynthesis is a process by which plants use the sunlight to convert it from light energy into chemical energy. This equation shows us how it is done‚ 6CO2 + 6H2O + light energy --> C6H12O6 + 6O2. The pigments called chlorophylls in the plants are what
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Chloroplasts Chloroplasts are food producers of the cell and they make the plant green. They are organelles found in plant cells and animal cells do not have chloroplasts. Also‚ they have a eukaryotic alga that conducts photosynthesis. In a plant cell there can be anywhere from 10 to 100 chloroplasts in one cell. They are approximately 4 to 6 cm in diameter and shaped like a satellite dish with the concave face forward toward the light. Also‚ they are similar to mitochondria but mitochondria works
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