Chemically defined media - Study guides, Class notes & Summaries

Microbiology Chapter 6 Exam Questions with 100% Correct Answers | Verified | Updated Microbes have very narrow optimum temperature ranges. Which of the following classifications of microbes are most likely to cause human disease, based on temperature requirements? hyperthermophiles thermophiles mesophiles psychrophiles - answerMesophiles - The temperature range of mesophiles overlaps that of normal human body temperature, allowing the greatest growth. Which of the following statements ...

Anabolism correct answers consumes energy, creation of products Catabolism correct answers breaking things down, releases energy obligate aerobes correct answers require oxygen to function Microaerophiles correct answers grow best in low levels of oxygen Aerotolerant aerobes correct answers not harmed by presence of oxygen, do not use obligate anaerobes correct answers extremely sensitive to oxygen content facultative anaerobes correct answers grow better with oxygen (use ferme...

Bio 205 Extensive Final Certification Exam Questions with Ascertained Marking Scheme 2024 Semisolid media - correct answer nutrient media with a firmness midway between that of a broth (a liquid medium) and an ordinary solid medium; motility media. Chemically defined media is composed of exact amounts of chemically pure, specifically identified organic or inorganic components. ... Complex media is composed of organic materials that are not chemically pure and not specifically identified chem...

Microbiology Lab 2024 Exam Questions And Answers Complex Media - ANSWER- Contains a variety of ingredients and there is no exact chemical formula for ingredients (can be highly variable). Examples include: Nutrient Broth, Blood agar, and chocolate agar. Chemically Defined Media - ANSWER- Composed of precise amounts of pure chemical and generally not practical for routine laboratory use (invaluable in research) Selective Media - ANSWER- Inhibit the growth of unwanted organisms (allow o...

4 stages in a bacterial growth are: - Lag phase, Exponential (Log), Stationary, Death Acid-fast staining - (differential staining) Add carbol fuchsin (primary stain) then heat over flame for few minutes. 2.Wash and then add a decolorizer (5% HCl and 95% ethyl alcohol) to remove primary color from nonacid-fast organisms. Acid-fast bacteria will retain the primary color. Alexander Fleming - discovered penicillin (the first antibiotic discovered!) Anton Van Leeuwenhoek - was the first to obser...

Access Code (located on the underside of the lid of your lab kit): Pre-Lab Questions 1. What is the difference between chemically defined and chemically complex media? Give either a clinical or environmental research example for which each media type would be the most appropriate choice for culturing microorganisms. Chemically defined media is media where the exact chemical compositions are known and made with purified ingredients. This type of media is mostly used in medical labs and re...

Straighterline Micro 250 final prep Questions & Answers with 100% Verified Answers _____ solution was introduced in the late 19th century for preventing gonococcal infections in a newborn's eyes after exposure to the mother's infected birth canal. Select one: a. Merthiolate b. Triclosan c. Betadine d. Silver nitrate e. Zinc oxide - Silver nitrate A bacterium that you isolated from pond water appears to use light for energy. Based upon this information, you inoculate th...

Microbiology Question and answers already passed Bacterial diseases include - correct answer school sores strep throat scarlet fever otitis media endocarditus gas gangrene meiningicoccal septicaemia syphillis scaled skin syndrome tetanus Bacteria vs human cell - correct answer bacteria: 0.4-2um in diameter plasama cell membrane and complex cell wall few organelles, no defined nucleus reproduce by binary fission Human: 5.0-100um in diameter plasma cell membrane nucleus an...

Microbiology Lab Review Questions with Certified Answers Explain why the body tube of the microscope should not be lowered while you are looking through the ocular lens. to ensure that the slide or lens is not broken For what purpose would you adjust the Iris diaphragm? adjust the amount of light coming through the specimen For what purpose would you adjust the course-adjustment knob? to bring the specimen into view For what purpose would you adjust the fine adjustment knob? to bring the spe...

CMMB 343 - Lab 2 Question and answers already passed CMMB 343 - Lab 2 macromolecules - correct answer amino acids, fatty acids, nucleic acids, carbohydrates microbial nutrition - correct answer nutrient acquisition, enzymatic transformation, and polymerization of macromolecules macronutrients - correct answer required in large amounts carbon, oxygen, nitrogen, minerals (P, S, K, Mg) micronutrients - correct answer vitamins (organic growth factors) and minerals (inorganic ions)...