What does agar do Study guides, Class notes & Summaries

Microbiology Lab UTA - Final Exam; Questions and Answers % Correct How is Media made? Correct answer-5 g. T.S.A. and 125 mL Di water, cover flask with foil, affix autoclave tape, autoclave, wait 10-20 min to cool, pour into petri-dish to thickness of lid. or stop when covers bottom. Agar Correct answer-linear polysaccharide polymer derived from agarose in red algae. What does agar do? Correct answer-increases solidity, exhibits hysteresis- gels and melts at different temps. Melts abov...

Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet (New Version Updated) In this lab, you will conduct three different experiments that each cover the topic of selective media and agar. How are these experiments different from one another? Explain how the different media in each experiment are utilized in the context of selective vs differential media. The precise goals and kinds of microorganisms each experiment aims to isolate vary. The selection of media is bas...

Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams 2022 Lecture Exams 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your answer. ...

TEST BANK for Fundamentals of Molecular Virology 2nd Edition by Acheson. Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following terms describes the protein shell that surrounds the viral genome? a) capsid b) envelope c) matrix d) virion e) capsomere Answer: a 2) Which of the following would not be a nucleic acid form found in a viral genome? a) dsDNA b) ssDNA c) dsRNA d) ssRNA e) an RNA:DN...

MICROM 443 Questions with complete solution 2024/2025 What does a Methylene Blue stain show? What color? - correct answer metachromatic granules (volutin, polyphosphate) red/purple What does an Acid-Fast stain detect? - correct answer Mycobacterium species Why do incubate at 35C? - correct answer medically important bacteria grow at body temperature What is Blood agar? - correct answer rich media w/ red blood cells What is Chocolate agar? - correct answer lysed red blood ...

True or false: The high-dry lens will be optimal for observing multicellular fungi or algae. - False True or false: The oil immersion objective is necessary to determine the morphology of prokaryotes. - True What was the largest organism you observed? The smallest? - Fungi/mold; bacteria What three shapes of bacteria did you observe? - cocci, spiral, bacilli How does increased magnification increase the field of vision? - When magnification increases, it decreases the field of vision Why...

A; Animals serve as a reservoir of infection" is the correct answer because Shigella only infects humans while Salmonella is found in many animals. Both have diarrhea as the major symptom. Endotoxin is produced by all gram negative bacteria and exotoxin is only produced by Shigella. A major difference between Salmonella enterica and Shigella infections is that only in salmonellosis can: A. animals serve as a reservoir of infection B. diarrhea become the major symptom C. endotoxin play a ...

Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term s torage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins True or False: Archaea is noted for its ability to survive under harsh conditions. True. Archaea can often be...

BIOS-242 Lab Practical Review Latest 2023 Graded A+ ________ and _____ ______ ______ are used to focus the microscope course and fine focus knobs _______ is where the specimen to be viewed is placed stage ______ ______ the primary optical lenses on a microscope. optical lens optical lens range from _X-_____X 4X-100X _______ is the light source for a microscope, typically located in the base of the microscope illuminator ______ connects to the base and supports the microscope head. It is al...

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...