and sweet potato peelings as chicken feed supplement on the growth of the chick. More than 50 billion chickens are reared annually as a source of food for both their meat and their eggs. Chickens farmed for meat are called broilers‚ whilst these farmed for eggs are called egg-laying hens. In total‚ UK alone consumes over 29 million eggs per day. Some hens can produce over 300 eggs a year. The majority of poultry are raised using intensive
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change in weight of potato tubers‚ this was conducted in order to explore the process of diffusion and osmosis and more importantly to investigate the question of “Does different concentrations of sucrose solutions have an effect on the final weight for the potato tubers?” In this experiment we estimated the osmolarity of potato tuber cores by submersing different potato cores into sucrose solutions of 0.0-0.6M‚ and weighing the potato. The results showed the weight of the potato tubers had the highest
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different sucrose solutions. The following data was observed and collected throughout the experiment. Observations: -Qualitative: The potatoes were: Tubed shaped Yellow in color Initially hard in texture -Quantitative: Table 1: Weight of the potato in grams before and after placed in a different concentrations of sucrose solutions. Sucrose solution (M) Weight Before (g) ± 0.01 (A) Weight After (g) ± 0.01 (B) 0 4.56 4.31 0.2 4.22 4.28 0.4 4.13 4.08 0.6 4.57 4.45 0.8 4.60 4
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contain the ideas or writing of other individuals/authors. _Alexandra DeWitt_____________ __5/1/13____________ Author Date _10_________ Lab Section # Increasing Sucrose Concentrations Causes the Osmotic Concentrations of Disks of Potato Tubers to Decrease Abstract: Introduction: The biological membranes are composed of phospholipid bilayers‚ each phospholipid with hydrophilic heads and hydrophobic tails‚ and proteins. This arrangement of the proteins and lipids produces a selectively
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Transformation of Amyloplasts into Chloroplasts in Potato Tubers’ Received for publication November 9‚ 1983 and in revised form January 19‚ 1984 YU S. ZHU‚ DENISE L. MERKLE-LEHMAN‚ SHAIN D. KUNG* Department of Biological Sciences‚ University of Maryland Baltimore County‚ Catonsville‚ Maryland 21228 ABSTRACT The transformation of amyloplast into chloroplasts in potato (Solawum tuberosum L.) tuber tissue can be induced by light. Excised potato tuber discs illuminated with white light of 3000 lux
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Cell Membranes and Transport Hands-On Labs‚ Inc. Version 42-0033-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing
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Madrid‚ Spain Key words: BAHD feruloyl acyltransferases‚ ferulate‚ periderm‚ potato tuber skin‚ suberin‚ suberized tissues‚ wax Abbreviations: TEM‚ transmission electron microscope; SEM‚ scanning electron microscope; FHT‚ ω-hydroxyacid/fatty alcohol hydroxycinnamoyl transferase; GPAT5‚ glycerol phosphate acyltransferase 5 and to restrict infection. Suberization takes place on the periderm of stems‚ roots and tubers and in a variety of other barrier layers‚ such as the root endodermis or the seed
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PRODUCT I. INTRODUCTION Potato is a cool-season vegetable that ranks with wheat and rice as one of the most important staple crops in the human diet around the world. The white potato is referred to as the "Irish potato" because it is associated with the potato famine in Ireland in the 19th century. Potatoes are not roots but specialized underground storage stems called "tubers." Maximal tuber formation occurs at soil temperatures between 60° and 70°F. The tubers fail to form when the soil temperature
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obtained because it stated that the potatoes’ tubers’ tissue would loose more weight the higher the solute factor in the outside solution. When the potato tubers’ where placed in high-‐in-‐solute solutions it dehydrated the the potatoes tissue making it loose weight. The water inside the potato was forced to leave the inside of the tissues
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Exercise 1 – Potato Change in Mass versus Sucrose Concentrations Introduction: This exercise involves estimating the osmotic concentration of potato tuber cells by using a change in mass method. The null hypothesis states that there will be no change of mass of the potato disks after they have been incubated in any sucrose solution. This means that the concentration of sucrose that the potatoes are in will no effect the movement of water in or out of the potato cells. However‚ the alternative hypothesis
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