Table 1 Trial Number The Concentration of Sucrose Solution (M) ±0. 2 ml Initial Mass of Potato Core Slice(g) ±0. 1 Final Mass of Potato Core Slices (g) ±0. 1 1 0. 0 7. 7 9. 3 2 – 6. 0 8. 1 3 – 6. 2 7. 4 4 – 10. 2 13. 2 5 – 8. 7 10. 3 6 – 4. 9 […]

Rebekah Worley February 21, 2012 Mitchell Section 4 Biol 311 Staining and Identifying Unknown Bacteria Introduction: The microbiology lab up to this point has been used to teach the students how to stain and identify bacteria. There are several types of staining through which the bacteria can be identified based on the color and shape. The staining methods used in the lab are Gram Staining, […]

Alyse Rose Microbiology Lab Bacterial Unknown March 25, 2013 Bacterial Unknown Report Each student was given an unknown bacteria to figure out. I was given the unknown bacteria S38. Everybody is supposed to do all sorts of test to identify the bacteria. The first thing I did was smear my bacteria on a liquid medium. I then proceeded to incubate the medium for 24-48 hours. […]

Do not open this examination paper until instructed to do so. Answer all the questions. For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided. 8808-6004 13 pages © International Baccalaureate Organization 2008 –– Which of the following characterizes tissues? A. B. C. D. A group of cells that develop independently. A group of […]

Negative and positive feedback processes both occurs in the enzyme pathways. The difference between positive and negative feedback is that in negative feedback, the protein being produced by the enzyme or the protein produced as a result of a chain of proteins becomes very much concentrated. Consequently, the protein then inhibits the enzyme through placing themselves at the start of the chain. The protein attachment […]

5 Types of Open Wounds: Abrasion – Abrasions are wounds caused by traumatic scraping and loss of skin. Falls occurring while in motion frequently lead to skin abrasions. Extensive skin loss may occur with high-speed motorcycle or similar accidents. Thorough cleansing and bandaging of abrasions involving small/limited skin loss should be done as first aid. Extensive or deep abrasions require a bigger treatment, which, in […]

Chapter 1 Notes * Robert Hooke * Discovered Cellulae (Cells) * Formed Basis of Cell Theory * 1. Cell basic unit of life * 2. All living organisms are made of cells * 3. Must have living cells to make more cells * Anton Von Leeuwenhoek * Father microbiology & microscopy * Discovered microorganisms (animalcules) * Disproved microorganisms were heaven sent * Put clean bowl […]

Obesity and Biology Obesity isn’t classified as an eating problem anymore. It is more than that a person’s biology plays a big roll. Cells and hormones play a big roll on how big you are and how your body regulates energy. Food equals energy and the body stores that energy in fat cells and uses the energy as needed. The metabolism breaks down that food […]

Biology: 1. Living Things Please remember to photocopy 4 pages onto one sheet by going A3>A4 and using back to back on the photocopier Syllabus OB38 Understand how to use a simple key to identify plants and animals, including vertebrates and invertebrates OB39 Investigate the variety of living things by direct observation of animals and plants in their environment; classify living organisms as plants or […]

Marine Biology also refers to Biological Sciences or Biological Oceanography. Marine Science is the general term for research conducted in oceans and coastal or inland waters connected to the sea. This particular field is probably the best known to the public. Marine Biology deals with the study of micro and living organisms such as plants, animals, viruses, and bacteria in oceans, estuaries, and other bodies […]