Chemically defined media - Study guides, Class notes & Summaries
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BIO250L+V2+Lab+4 - Microbiolagy Lab 4 Selective and Agar Medium from straighter line course. Distinguishing
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Student Name: Ashley Anderson. 
Access Code (located on the underside of the lid of your lab kit): AC-VRIKUTP. 
 
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...
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MICROBIOLOGY EXAM 1 WITH COMPLETE SOLUTIONS 100%
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MICROBIOLOGY EXAM 1 WITH COMPLETE SOLUTIONS 100% 
 
Summarize the relative burden of human disease caused by microbes, emphasizing the differences between developed countries and developing countries. - correct answer Some microbes cause infectious diseases 
Only a few percent of all microbes are associated with disease 
Much more prevalent in developing countries (Ex: respiratory infections, HIV, Diarrheal diseases, tuberculosis) 
 
Differentiate among bacteria, eukaryotic microorganisms, and v...
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Microbiology Ch. 6 Questions And Answers.
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Microbiology Ch. 6 Questions And Answers. 
 
 
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 - CORRECT ANSWER Mesophiles - The temperature range of mesophiles overlaps that of normal human body temperature, allowing the greatest growth. 
 
Which of the following statements accurately describes the cul...
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BIOL 1353 UPDATED Exam Questions and CORRECT Answers
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5 I's for culturing microorganisms - inoculation 
incubation 
isolation 
inspection 
identification 
For inoculation and incubation you need these 2 things - a source of microbes for 
inoculation and a growth medium to inocculate 
Growth mediums can come in these forms: - solid, semi-solid, liquid 
Defined v. complex medium - A chemically defined media is one in which the exact 
chemical composition is known while a complex medium is one in which the exact chemical 
composition varies slight...
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Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet 2023
- Exam (elaborations) • 13 pages • 2023
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Student Name: 
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 medica...
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Microbiology Chapter 6 Exam Questions with 100% Correct Answers | Verified | Updated
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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 ...
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Lab 4 Selective Media & Agar BIO250L / 2024 UPDATES, COMPLETE NEW VERSION. 100% ACCURATE/
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Lab 4 Selective Media & Agar BIO250L 
Student Name: GILB BIN 
Access Code (located on the lid of your lab kit): AC-X6 
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 expe...
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TCU Microbiology Lab Exam 1 | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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chemically defined (synthetic) media 
Correct Answer: media composed of precisely defined chemicals 
elements that all bacteria need 
Correct Answer: carbon, nitrogen, phosphorus, sulfur, oxygen, and hydrogen 
minimal media 
Correct Answer: media that contains exact nutrients needed for growth and nothing extra 
- media is useful b/c we know exactly what's in it, but few organisms are resourceful enough to 
survive with only a few salts and sugars 
complex media 
Correct Answer: - it contains ...
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Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet 2023 Questions with Answers
- Exam (elaborations) • 13 pages • 2023
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lOMoARcPSD| 
Straighterline Microbiology Lab BIO250L Lab 4 
Selective Media & Agar Worksheet 2023 
Student Name: 
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 com...
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BIO 250L V2 Lab 4 (Selective Media & Agar) Questions With 100% Correct Answers | Latest Update Graded A+
- Exam (elaborations) • 10 pages • 2023
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BIO 250L V2 Lab 4 (Selective Media & Agar) Questions With 100% Correct Answers | Latest Update Graded A+. “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 have known chemical compositions, whereas complex media have unknown 
chemical compositions. Chemically defi...
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