IB BIOLOGY: Extended Essay Assessment Criterion A.
Section 2: Explanation of Terms: Antibiotic: An antibiotic is a chemical that either kills or inhibits the multiplication of a bacteria. The class of antibiotics that kills bacteria directly is called bactericidal, and antibiotics that inhibit bacterial growth and replication are called bacteriostatic.
In a biology extended essay, the research question is best stated in the form of a question. The research question should be a precisely formulated question that the research will attempt to answer. The research question can then be used to formulate a hypothesis, which can be tested.
IB Biology notes on 6.3 Defence against infectious disease. Defence against infectious disease 6.3.1 Define pathogen. Pathogen: an organism or virus that causes a disease. 6.3.2 Explain why antibiotics are effective against bacteria but not against viruses.
The best responses extended their answers to include the occurrence of multiple-antibiotic resistant bacteria. Weaker and mid-range candidates mentioned that bacteria evolve to gain resistance to antibiotics but rarely that it occurs through gene mutation or suggested that mutations that give resistance occurred because bacteria required them rather than randomly.
It is important that you have a good topic for an ib biology extended essay. Select your subject: You need to figure out what is the right topic for you. Narrow it down: The time you selected your subject, you need to narrow it down in order to get a specific topic.
Extended Essay: The aspect of the IB which some students hate and some love. One of the biggest keys to the Extended Essay is choosing which subject you want to write your work in and developing that crucial research question. Annoyingly, coming up with that idea and research question can be the toughest part of the entire process.
Various bacterial, viral and parasitic infections can spread through vectors or carriers such as mosquitoes, fleas, lice, ticks, etc. Infectious diseases can also be transmitted from one individual to another through contaminated food or water or the oro-fecal route.
IB Biology IA Topics.. How the immune system fights infection. Cell Biology Research Topics. essays Narrative essays Purchase essays Order custom essay College essay writers Dissertation writing Buy term papers IB extended essays Descriptive essays Essays for students Buy speech online Scholarship essays Custom essay helper College papers.
Aim 8: The great benefits to people throughout the world in the control of bacterial diseases using antibiotics should be stressed. Examples of diseases that often proved fatal before the advent of antibiotics could be named. 6.3.3. Outline the role of skin and mucous membranes in defence against pathogens. 2. A diagram of the skin is not.
Yeast, bacteria, STDs, even hygiene products can all cause an infection or inflammation in the vagina. Effective treatment depends on the right diagnosis.
Biology Extended Essay Abstract This extended essay is an in vitro study of the effects of sunlight exposure on the bacteriostasis (inhibition of bacteria growth) of Active Manuka honey against.
My IB subjects included Biology (HL), Chemistry (HL), Economics (HL), Mathematics (SL), English A (SL), and Swedish B (SL). For my Extended Essay, I have conducted a research project studying the effects of salicylic acid on watercress plants.
Vaginal infections are among the most common complaints for which women see their physicians. The patient complains primarily of vaginal discharge or pruritus. Optimal management of these infections requires a careful history, physical examination, and laboratory assessment to determine the pathogen.
