Biological Currency The objective of this lab is to figure out whether or not this money is counterfeit. We will attempt to find the information needed to prove that the money is counterfeit or not by looking at it under a microscope and by using iodine drops to compare the money’s result with the results of different items. Counterfeiting money is not a new to any country. It started when paper money was first made. Some countries attempt to counterfeit rivals money to drive their economy downward
Premium Economics United States Money
1. The advantages of using an electron microscope is that it has a greater magnification‚ so you can see more detail about the organism. It would be preferable to use a light microscope when you want to see the cell in the act of moving or dividing. 2. Prokaryotic cells don’t have organelles like eukaryotic cells do. Eukaryotic cells contain its DNA within its nucleus‚ while prokaryotic cells keep it within the nucleoid. Prokaryotic cells are also more minute than the eukaryotic cells. Also although
Premium DNA Cell Bacteria
carbohydrates in starch suspension and potato cell. If carbohydrate is present in starch suspension‚ the solution will turn into dark blue when iodine solution is added. If carbohydrate is present in potato cell‚ starch granules can be seen clearly under microscope when iodine solution is added. The second experiment is to test the existence of lipids in margarine and olive oil. If a lipid is present in margarine‚ the solution suspended with alcohol will turn cloudy when it is mixed with distilled water. If
Premium Starch Carbohydrate Chemistry
BIOLOGY LAB REPORT PRACTICAL M1 TESTING FOR MACROMOLECULES Title : Testing for Macromolecules Abstract : To test for macromolecules (carbohydrates‚ lipids‚ nucleic acids‚ and proteins)‚ iodine solution‚ alcohol‚ aceto-orcein stain and copper sulfate solution are used. The conclusions for all of the tests are positive. Introduction: A) Carbohydrate (starch) Carbohydrates are chemical compounds that contain oxygen‚ hydrogen‚ and carbon atoms. They consist of monosaccharide
Free DNA Protein Glucose
Cells are the basic functional units of all organisms. Cells are the smallest unit of life and are often called the "building blocks of life". The distinction between prokaryotes and eukaryotes is considered to be the most important variation among groups of organisms. Eukaryotic cells contain membrane-bound organelles‚ such as the nucleus‚ while prokaryotic cells do not. The differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts‚ the
Premium Cell DNA Eukaryote
Language Arts Period 3-4 Ms. Truax March 28‚ 2005 Forensic Science Forensic scientists solve exiting and puzzling mysteries‚ which makes the unsolvable crimes solvable. Forensic science started in England in the 1780’s. Scientists use microscopes that can magnify things from 1‚500 to 250‚000 times! This enables them to contribute like none other to the capture of criminals. In order to become a forensic scientist‚ first you must become a scientist first. The history of forensic science
Premium Forensic science Sherlock Holmes Fingerprint
Laboratory Report: Observing Bacteria Purpose: Is to gain knowledge on how to use a microscope and oil immersion lens while observing prepared bacterial slides and also to prepare slides for observable bacteria culture from yogart. Procedure: Exercise 1: Using the Microscope - Viewing Prepared Slides I started out by reading and reviewed the science lab safety reinforcement Agreement and the instruction to oil immersion lens. After setting up my lab station I view the six prepared slides
Premium Bacteria Optics Observation
The effect of Sodium Chloride (NaCl) salt concentration on osmosis in potato cells The movement of substances in plant cells involves many processes and systems‚ all of which may affect the plant bio-chemically and physically‚ and one of these processes is osmosis. Osmosis is the flow of water through a semi-permeable membrane of a cell moving from an area of higher water potential to an area of lower water potential until reaching equilibrium known as isotonic. Before reaching the point of being
Premium Sodium chloride Chemistry Chlorine
and it is easier to observe the heart rate of the Daphnia through the microscope. [Figure 1] Daphnia Variables Independent variables: Same volume different concentration of caffeine Dependant variables: Heart rate of Daphnia Controlled variables Time Temperature Size of Daphnia Method Equipment Cavity slide Small piece of cotton wool Pasteur pipette Caffeine at different concentrations Microscope Tally counter A piece of wool is teased and made into a small loop
Premium
Ceratopteris richardii: The effects of increasing spore density in detecting higher percentages of sexually expressed gametes. Abstract: The Ceratopteris genus is a model plant system in allowing the study of life and reproductive cycles of spores‚ allowing for spore to gamete cellular and physical observation. The triangle water fern‚ Ceratopteris richardii‚ provided for visual identification of this transition. Spores of different densities were inoculated‚ cultured‚ and observed in germination
Premium Fern Plant