Each of the following statement FALSE. Tell me what is incorrect with the statement and correct it when possible. For example, if the statement says: the sky is red during daytime. You would answer: the sky isn’t red during daytime, it is blue. a. Staphylococcus aureus use MreB proteins to organize their morphology (shape) into cocci. b. Most bacteria will have maximum growth in a glucose-rich environment such as maple syrup. c. The table below shows that Streptococcus pyogenes is a facultative halophile.

Body Structures & Functions
12th Edition
ISBN:9781285695495
Author:Scott
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Chapter16: Infection Control And Standard Precautions
Section: Chapter Questions
Problem 6RQ
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  1. Each of the following statement FALSE. Tell me what is incorrect with the statement and correct it when possible.

For example, if the statement says: the sky is red during daytime. You would answer: the sky isn’t red during daytime, it is blue.

a. Staphylococcus aureus use MreB proteins to organize their morphology (shape) into cocci.

b. Most bacteria will have maximum growth in a glucose-rich environment such as maple syrup.

c. The table below shows that Streptococcus pyogenes is a facultative halophile.

d. Your lab supervisor asks you to grow a new bacterium they got from a collaborator. You grow them in the suggested nutrient-rich media, and you notice that as the log phase growth progresses, the bacteria seem to turn purple.

You mention it to your supervisor and ask whether it is the gradient from very high to low nutrient bioavailability that induces metabolic changes which induces the production of a purple pigment. Your supervisor tells you that is unlikely. What is a more plausible conclusion?

Note: The metabolic changes statement is wrong, the “plausible conclusion” is this case is the correction of the false statement, ie the more plausible conclusion.

e. The organism in Tube B is microaerophilic.

f. I obtain energy from the oxidation of reduced inorganic compounds such as sulfide, ammonia, and hydrogen, and use carbon dioxide as carbon source. I am a chemoheterotroph.

 

 

The table below shows that Streptococcus pyogenes is a facultative halophile.
Amount of Growth
Stapinylococcus aureus
Streptococcus pyogenes
Nutrient agar
++
++
Nutrient agar + 7.5% NaCl
Transcribed Image Text:The table below shows that Streptococcus pyogenes is a facultative halophile. Amount of Growth Stapinylococcus aureus Streptococcus pyogenes Nutrient agar ++ ++ Nutrient agar + 7.5% NaCl
The organism in Tube B is microaerophilic.
Oxic zone
Anoxic zone
А
В
C
Transcribed Image Text:The organism in Tube B is microaerophilic. Oxic zone Anoxic zone А В C
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