BI 310- Homework Assignment 5 points Due Friday, March 23 Name Lab Code Give the
ID: 214608 • Letter: B
Question
BI 310- Homework Assignment 5 points Due Friday, March 23 Name Lab Code Give the Genus name of an organism (from list on back) that can grow by each of the following types of metabolism involving the element Sulfur. 1. Dissimilative reduction of SO, (sulfate) to S2 (sulfide). Name a key biochemical feature. (from list on back) 2. Sulfur oxidizing bacterium that oxidizes H S (hydrogen sulfide) to SO (sulfate) under acidic conditions. 3. Sulfur oxidizing bacterium that oxidizes S (elemental sulfur) to SO (sulfate) under conditions of neutral pH. 4. Sulfur oxidizing archaeon that oxidizes S (elemental sulfur) to So2 (sulfate) under acidic conditions. 5. What is the name of the structure in which organisms in #2 and # 3 store excess sulfur?Explanation / Answer
1.) Dissimilative reduction of sulphate to sulphide - Adenosine phosphosulfate (APS).
2.) Sulphur oxidising bacterium that oxidises hydrogen sulphide to sulphate under acidic condition - Thiocapsa.
3.) Sulphur oxidising bacterium that oxidises elemental sulphur to sulphate under neutral pH - Thiobacillus.
4.) Sulphur oxidising archeon that oxidises elemental sulphur to sulphate under acidic condition - Sulfolobus.
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