Streak plates - Study guides, Class notes & Summaries

Microbiology Lab Quiz 1 with Complete Solutions ocular lens demagnifies the image formed by the objective lens body tube transmits the image from the objective lens to the ocular lens objective lenses primary lenses that magnify the specimen mechanical stage holds the microscope slide condenser focuses light through specimen diaphragm controls the amount of light entering the condenser illuminator light source fine focusing knob used for focusing the specimen; turning the know changes the...

Earth Science-Exam 1 Questions and Answers 100% Pass What are the two different kinds of crust? - Correct Answer ️️ -Oceanic and Continental Which crust is denser? - Correct Answer ️️ -Oceanic Which crust is thicker? - Correct Answer ️️ -Continental What specific type of rock is each type of crust made of? - Correct Answer ️️ - Continental-granite Oceanic-basalt What layer contains the crust and the upper mantle? - Correct Answer ️️ -Lithosphere What is unusual abou...

CSMLS MLA Study Set Already Rated A+ A 24 hour urine specimen preserved with HCl is used for analysis is which department? ️chemistry A blood sample collected in an SST requires the following amount of time for clotting: ️30 min A gas-pack is usually used to create what type of atmospheric conditions? ️Anaerobic conditions A patient that is anemic, bleeds easily and is highly susceptible to infections may have: ️leukaemia A random urine specimen for routine urinalysis collected...

Portage Microbiology Exam 4 Questions and Answers Rated A True or False: Growth media is best suited for distinguishing between two similar species of bacteria False. Growth media is designed to simply support (and not restrict) microbial growth A researcher is asked to determine which of two vials contains e coli and which contains salmonella. Knowing both gram-negative while only one of them is capable of fermenting lactose, which type of media would be best suited (multiple choice) Differen...

Kirby-Bauer method - A disk diffusion test to determine which antibiotics an infectious bacterium is susceptible to "standardized disc susceptibility assay" Resistant A smaller ZOI as compared to the standard Intermediate A similar ZOI as compared to the standard Susceptible A larger ZOI as compared to the standard How could you determine whether an antibiotic is bacteriostatic or bacteriocidal? - Look for assay streak on TSAYE plate - Streak within ZOI - ...

Lab 5: Growth of Microorganisms (100 points)  Each question on the lab worksheet must be answered completely, thoroughly, in complete sentences and correctly in order to be considered for full credit  If the question asks you to do research or find a source, a reputable, credible and/or scholarly source citation must be included in order to be considered for full credit  If a math formula is required to arrive to an answer, work must be shown otherwise, no credit will be awarded ...

APSC 151 FINAL Exam Questions With Verified Answers Compared to the age of the Universe of about 14 billion years, the currently accepted age of Earth is about ________ years as determined by using radioactivity for dating rocks and minerals. A) 4.6 thousand B) 4.6 billion C) 5.4 million D) 13.7 billion - answerB - 4.6 billion The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - answerB - Paleozoic ...

Portage Learning Microbiology Final Exam Already Graded A Which of the following are considered protista? algae, amoeba T or F: a defining characteristic of protista is the inability of colonies to form tissue layers. True The function of the ribosome is: protein synthesis The combination of the cell membrane and the outer membrane is referred to as the: cell envelope The function of the golgi is: protein modification and distribution T or F: all multicellular microorganisms classified as ...

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...

What is a parfocal? correct answer: ~Ability of a microscope to switch powers with minor adjustments in focus ~Ability to switch from one objective to another without altering the focus What is the definition of resolving power? correct answer: The ability of an optical instrument to separate or distinguish small or closely adjacent images. What is the total magnification through a 10x ocular & 100x objective? correct answer: 1,000x How do you calculate the scale of a drawing? corre...