Microbiology Homework 1 - Craig Nutter 2-8-08 BIOL 221...

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Craig Nutter 2-8-08 BIOL 221 – Homework 1 1.A. This organism is most likely to have its habitat at the surface of water such as a pond or lake. The gas vesicles allow the bacteria to maintain and change buoyancy to remain at the top of the water and acquire the necessary sunlight to undergo photosynthesis. 1.B. This type of organism has a photoautotroph metabolism. The organism acquires its energy through sunlight, its carbon supply from CO 2 , and its electrons from the reduction of inorganic compounds. The sulfur granules are used to store the electrons gathered. 2.A. The most likely natural environment for the Chlamyda trachomatis is inside another living organism. The bacteria are an intracellular parasite so they need to obtain nutrients and other elements from their host. The organism would die if placed in distilled water since the solution contains no minerals or other substances vital for living. The lack of peptidoglycan would also cause the organism to die through lysis. 2.B. The ATP/ADP antiport allows the Chlamydia to survive because the cell intakes
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This note was uploaded on 04/07/2008 for the course BIOL 221 taught by Professor Walter during the Spring '08 term at Purdue University-West Lafayette.

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Microbiology Homework 1 - Craig Nutter 2-8-08 BIOL 221...

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