in: | | |Autotrophs (producers) must be exposed to what |Sunglight!! – no sunlight means no photosynthesis | |abiotic factor in order to survive? | | |Different species
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Part 1. Cellular Respiration Prarthana Minasandram Partner: Ben Liu Introduction Purpose: To examine the rate of alcoholic fermentation using various carbohydrates. Hypothesis: If the yeast is placed in 5% glucose or sucrose solutions‚ then carbon dioxide production will increase over time. If boiled yeast is placed in a 5% sucrose solution‚ then carbon dioxide production will remain constant. Variables Independent variable: Carbohydrate solutions (5% solutions of glucose and sucrose) and
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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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‚James Anspacher‚ Spencer Troetschel ; 2915; Mr. Krotec; Honors Bio Period 4 Photosynthesis Lab Report I. Introduction The photosynthesis lab is designed to quantify photosynthesis‚ enabling a number of variables to be tested for their effects on photosynthetic rate. The production of oxygen‚ is used as an indirect measure of photosynthetic activity.The lab allows the examination of the effects of different wavelengths of light on photosynthetic activity. The other aspect of the lab includes
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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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cell does not need a cell wall because it does not need to keep a strong shape like a plant cell‚ an animal cell does not need chloroplasts because they are what absorb the light to enable the plant to go through photosynthesis whereas an animal cell does not need to go through photosynthesis they need to take in oxygen to survive‚ a plant cell takes in carbon dioxide and releases oxygen after
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the cells internal environment. Cell Respiration‚ Photosynthesis and
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Introduction The aim of this practical 1 is to determine the rate of photosynthesis by measuring the rate of oxygen production‚ which is a direct consequence of PSII activity. Results Graph 1 Graph 2 Discussion i. It took 2 minutes before any increase in the O2 concentration of the chamber was observed‚ it took 2minutes‚ after illuminating the leaf. ii. There are 2 main parts of the photosynthesis‚ light dependent part and light independent part‚ the O2 is released in last part which is light-independent
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so that it can be used by the organism. For example‚ when we looked at how plants get energy we say that plants’ main source of energy is sunlight. But‚ we noticed that light energy cannot be directly used by the plant. So‚ using the process of Photosynthesis plants can effectively turn light energy into “usable” or kinetic energy. This process consists of two sub-processes‚ light dependent and light independent. In a plant cell there is an organelle called the chloroplast. In each plant cell there
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water and nutrients. * Each part of the plant has a specific function: * * leaves - carry out photosynthesis. * roots - anchor the plant & absorb water and soil nutrients. * stems - support the leaves and transport materials to other plant parts. * What does the plant use the glucose for? The plant uses sugars produced during photosynthesis to builts its structure. * Petiole - the stalk that attaches the leaf to the stem. * Covering the upper
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