32) Due to advances in technology, the systematic analysis of microbial diversit

Question

32) Due to advances in technology, the systematic analysis of microbial diversity now commonly includes a. b. c. d. to identify, characterize, and determine relationships between bacterial species whole genome DNA sequence analysis the use of metabolomics the use of proteomics the analysis of fatty acids using mass spectrometry 33) Bacteria and Archaea play a central role in the global carbon cycle because a. some species of Bacteria can fix carbon dioxide through photosynthesis b because only some species of Archaea can produce methane c. they have important roles in the metabolism of organic matter in terrestrial and aquatio environments statements (b) and (c) are both correct. statements (a), (b) and (c) are all correct. d. e. 34) Some species of Bacteria and Archaea a. b. c. have key roles in the Earth's biogeochemical cycles. can use inorganic molecules other than oxygen as terminal electron acceptors are unique among all living organisms because they can 'fix' nitrogen by reducing nitrogen gas to ammonia d. all of the above 35) Which of the following statements about biogeochemical cycles is not true? Many key elements (ex. C, N, S) are used as electron donors or electron acceptors by prokaryotes. These processes are not carried out by Eukaryotes. Forms of many key elements (ex. C, N, Fe, S) are 'recycled' in processes that are essential for all life forms, including plants and animals. These processes are only done by Bacteria and Archaea are not involved a. b. c. d.

Explanation / Answer

32. Option A is correct.

Whole genome analysis is often used to characterize relationships between different bacterial species.

33. Option D is correct.

All methanogens belong to the domain Archaea.

34. Option D is correct.

All the given descriptions pertain to some species of bacteria and Archaea

35. Option D is correct.

Archaea are also involved in biogeochemical cycles.

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