Auxotrophs - Study guides, Class notes & Summaries
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Microbiology Exam 2 practice Tests 208 Questions with Verified Answers,100% CORRECT
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Microbiology Exam 2 practice Tests 208 Questions with Verified Answers 
 
Which of the following statements is correct? 
A) For every amino acid, there is one codon. 
B) A codon may signify more than one amino acid. 
C) For every codon, there is one amino acid. 
D) All of these are correct. - CORRECT ANSWER For every Codon, there is one amino acid 
 
The sigma factor of RNA polymerase is necessary for 
A) maximum transcription of the gene. 
B) termination of the mRNA chain. 
C) elongation...
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BIOMG 2801 Final QUESTION AND CORRECT ANSWER 100%
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BIOMG 2801 Final QUESTION AND 
CORRECT ANSWER 100% 
What media would WT grow on - CORRECT ANSWER-LB, min, min + ala, min + lac, 
What media would ala- grow on - CORRECT ANSWER-LB, min + ala 
What media would lac- grow on - CORRECT ANSWER-LB, min, min + ala 
EMS causes - CORRECT ANSWER-point mutations 
Transitions - CORRECT ANSWER-A<-->G, C<-->T 
Transversions - CORRECT ANSWER-A<-->C, G<-->T 
Tn10 causes - CORRECT ANSWER-insertions, deletions 
Why was CSH61 Hfr grown on m...
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Microbiology Exam 2 practice Tests 208 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 42 pages • 2024
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Microbiology Exam 2 practice Tests 208 Questions with Verified Answers 
 
Which of the following statements is correct? 
A) For every amino acid, there is one codon. 
B) A codon may signify more than one amino acid. 
C) For every codon, there is one amino acid. 
D) All of these are correct. - CORRECT ANSWER For every Codon, there is one amino acid 
 
The sigma factor of RNA polymerase is necessary for 
A) maximum transcription of the gene. 
B) termination of the mRNA chain. 
C) elongation...
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EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY DISCIPLINE
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EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY DISCIPLINE Basic bacteriology 1. Who first designed the microscope, saw and sketched microbes? A. Louis Pasteur B. Robert Koch C. Ilya Mechnikov D. Dmitri Ivanovsky E. Antonie Philips van Leeuwenhoek 2. Without which structures, bacteria cannot carry out their activities? A. Capsule B. Spors C. Volutine granules D. Nucleoid E. Flagella 3. What structure determines the shape of a bacterial cell? A. Cytoplasmic membrane B. Capsid C. Capsu...
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EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY
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EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY DISCIPLINE 
 
Basic bacteriology 
1.	Who first designed the microscope, saw and sketched microbes? 
A.	Louis Pasteur 
B.	Robert Koch 
C.	Ilya Mechnikov 
D.	Dmitri Ivanovsky 
E.	Antonie Philips van Leeuwenhoek 
2.	Without which structures, bacteria cannot carry out their activities? 
A.	Capsule 
B.	Spors 
C.	Volutine granules D. Nucleoid 
E. Flagella 
3.	What structure determines the shape of a bacterial cell? 
A.	Cytoplasmic membrane 
B.	...
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Chapter 6: Genetic analysis and mapping in bacteria and bacteriophage
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Chapter 6
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Microbiology Karl Klose Detailed Overview.
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Insertion or deletion of nucleotides causes a 'frameshift' in how mRNA is transcribed. 
Occurs during DNA synthesis. 
Ethinium Bromide 
Used in DNA staining for electrophoresis; an intercalating agent which causes 
frameshift mutations in living cells. 
Indirect Selection 
Allows for the isolation of auxotrophs from wild-type parents (auxotrophs need an 
additional nutrient). Requires making a plate copy with velvet and looking for the 
colonies which do not grow on the nutrient-limited plate....
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PCB 3063-Test Bank for Chapter 9: Bacterial and Viral Genetic Systems
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PCB 3063-Test Bank for Chapter 9: Bacterial and Viral Genetic Systems 
 
Bacterial mutants that require supplemental nutrients in their growth media are called 
a. autotrophs. 
b. heterotrophs. 
c. prototrophs. 
d. omnitrophs. 
e. auxotrophs. 
Answer: e 
Section: 9.1 
Comprehension Question 
2. Which of the following statements about nutritional requirement and growth of bacteria is 
NOT true? 
a. Culture media developed for bacteria must contain carbon source and essential elements 
for the sur...
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