Agar plate Study guides, Revision notes & Summaries

Straighterline Microbiology Midterm Review 100 Questions with Correct Answers 100% Verified Agar is a complex polysaccharide that comes from a/an ___________. a. green plant b. fungus c. bacterium d. algae e. marine invertebrate - Correct Answers d. algae Using microbes to detoxify a site contaminated with heavy metals is an example of _________. a. biotechnology b. bioremediation c. decomposition d. immunology e. epidemiology - Correct Answers b. bioremediation The three ph...

Define aseptic technique - Answer-Methods and procedures used in the laboratory to prevent contamination of the work area, the worker and the cultures with microorganisms. The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was? - Answer-Antonie van Leeuwenhoek Which form of medium is typically used to grow stock cultures? - Answer-agar slants Which form of medium is used to obtain large quantities of fresh cells/bacteria? - Answer-Broth medium T...

In which growth phase is a bacterial culture MOST susceptible to a chemotherapeutic agent? Hint: It will take some critical thinking to answer this one. Think about what is happening in each of the growth phases (bacterial growth curve) and how antibiotics work. stationary phase log phase lag phase death phase - log phase Microorganisms are most susceptible to antibiotics when they are rapidly metabolizing and growing. Mueller Hinton plates are always prepared at a standard thickness of...

Lab Report Format Expectations Utilize college level grammar and professional formatting when completing this worksheet. Submissions without proper formatting, all required photos or sufficient responses will be rejected. Pre-lab Questions 1. This lab includes two experiments that each look at different aspects of culturing microorganisms onto growth media. What concepts does each experiment focus on? Why do you think these concepts are important to the field of microbiology? The first ex...

1. growth media nutrient-rich environment for isolating and culturing microorganisms - liquid or solid 2. LB media (lysogeny broth) Most common nutrient Broth Known for ability to grow vast array of microbes 3. Selective Media allows for growth of specific microbes, while restricting the growth of other microbes often used to grow human pathogens, or slower growing microbes. The selectivity allows for discounting foreign unwanted microbes 4. Differential Media allows growth of several...

Portage Learning BIO 171- Microbiology Lab Notebook Lab Notebook Bookmarks (click to navigate): Lab 1 Noteboo k Lab 2 Notebook Lab 3 Notebook Lab 4 Notebook Lab 5 Notebook Lab 6 Notebook Lab 7 Notebook Lab 8 Notebook Lab 9 Notebook Lab 1 Notebook Back to Home Page Lab 1 Title: Keeping a lab notebook Objective: To establish an organized template for keeping experimental records, procedures and results. Procedure: 1. This is where each step of the given protocol is recorded. 2....

Microbiology BOC 1. Proper media for culture of a urethral discharge from a man include: a. sheep blood and phenylethyl alcohol agars b. eosin-methylene blue and sheep blood agars c. thioglycollate broth and chocolate agar d. chocolate and modified Thayer-Martin agars - correct answer d 2. A sheep blood agar plate inoculated with 0.001 mL of urine grows 70 colonies of Staphylococcus aureus. How many colony forming units per mL of urine should be reported? a. 70 b. 700 c. 7,000 d. 70...

Define the concept of universal precautions. Correct Answer-Universal precautions means any and all samples, whether known or unknown, are to be treated as potentially hazardous (or pathogenic) materials. What would a researcher be certain to note while analyzing a microbial sample? Correct Answer-1. Size and shape 2. Any observable motility 3. Gram status (positive or negative) 4. The presence of any chemical reactions 5. Changes in color localized to the organism or the surrounding medi...

Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet (New Version Updated) Lab Report Format Expectations Utilize college level grammar and professional formatting when completing this worksheet. Submissions without proper formatting, all required photos or sufficient responses will be rejected. Pre-lab Questions 1. In this lab, you will conduct three different experiments that each cover the topic of selective media and agar. How are these experiments different fr...

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...