NAME:OLANIYI SEFIU SHOLA MATRIC NO:03/47KC205 DEPARTMENT:Biochemistry LEVEL:200L SCHOOL:university of ilorin ASSIGNMENT: DIFFERENCES BETWEEN DENSITY GRADIENT CENTRIFUGATION AND DIFFERENTIAL CENTRIFUGATION‚AUTORADIOGRAPHY AND CYTOCHEMISTRY. Density gradient centrifugation Separation of molecules and particles on the basis of buoyant density‚ by centrifugation in a concentrated sucrose or caesium chloride solution. Differential centrifugation This is a technique
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Virtual Lab Unit 3 1. Briefly describe the steps required to aseptically transfer bacteria from an unknown to a tube of liquid broth. You might have to research this using the "T" button (Tell Me More About...) To aseptically transfer bacteria from an unknown to a tube of liquid broth you have to flame the loop or wire before you begin to sterilize it. You then remove the caps from the tubes and flame the mouths of the tubes to prevent air-borne contamination. When all this is done‚ you have to
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|Compound Microscope Parts | |[pic] | |A high power or compound microscope achieves higher levels of magnification than a stereo or low power microscope. It is used to view smaller | |specimens such as cell structures which cannot be seen at lower
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Lab 2: The Metric System and Microscope Name _________________________ Date __________________________ Section 1: The Metric System The Metric System is known as the International System of Measurement. The Metric System is based on Standard-prefixes that correspond to ‘multiples of 10’. The measurements of volume (the liter)‚ mass (the gram)‚ and length (the meter) are the baseline for all metric unit conversion factors. In the United States‚ the English System is more commonly used;
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Using The Microscope Laszlo Vass‚ Ed.D. Version 42-0027-00-01 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 this
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When comparing the sample to the wet mount slides‚ they look very similar. However in the staining methods‚ the cells and their borders were very distinct while the one in the wet mounts were not as distinct. It was a bit challenging to determine the figures in the cheek smear‚ but the bacteria form in the yeast wet mount were easily recognized. The direct staining was the following technique used. The cells were very easy to assess‚ well demarcated and had a very distinctive color. Instead
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1. You are looking at a Euglena using the x10 objective lens. You rotate the nosepiece around to x40 but the specimen is not visible. Describe what you should do next? Start by using the fine adjustment to attempt to focus on the Euglena. However‚ if it is still not visible‚ return to the x10 objective lens and use the fine adjustment to ensure the Euglena is as sharply focused as possible. Then‚ use the stage control to re-position the slide so the Euglena is directly in the centre of the lens.
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Today you’re going to learn two things. Firstly‚ Agrimonia is a genus of a species of plant that usually lives for a maximum of 2 years and it has a history of medicinal uses ranging from treating weariness to ailments for various organs; some believed that if you placed stems of a particular species of Agrimony on someone’s head‚ they would fall asleep instantly and would not wake up until the plant was removed. Secondly‚ Agrimonia is a crust punk band from Sweden featuring members of At the Gates
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How was the Microscope Invented? The microscope is a machine used to see tiny‚ small things such as germs and bacteria. These small creatures are not seen by us but can be seen by a microscope. The three subtopics that will be mentioned are: 1) Who invented the microscope? 2) Why was it invented and What are the different types of microscope. The prediction made was that the microscope was a very important part of life in the middle-ages. People had very serious sicknesses at that
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Use pages 6C-13C of your textbook. 1. What are cells? 2. When was the first microscope invented? 3. What is a microscope? 4. What is the difference between a simple and compound microscope? 5. Who was one of the first people to observe cells? 6. What did Anton van Leeuwenhoek discover? 7. A Scanning Tunneling Microscope (STM) can magnify a specimen up to how many times? 8. What did Matthias Schleiden
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