mt1_2009_key

mt1_2009_key - Midterm Exam #1 MB 451 Microbial Diversity...

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Midterm Exam #1 MB 451 Microbial Diversity Honor pledge: “ I have neither given nor received unauthorized aid on this test. Name : ___ KEY ___________________________________________________________ Date : _______________________________ Signed : _________________________________________________________________ PIN * : _______________________________ * Please give me a “PIN” (a short string of numbers, letters, and symbols, that are not personally identifiable) that I can use to anonymously post your scores. Try to choose a PIN unlikely to be chosen by another student ( e.g. not “666” or “123456”) or re- jected by me (I’ll leave this to your imagination). If you do not wish your scores to be posted, leave this blank. 1. What are the 3 primary evolutionary branches of life? (5 points) __ A __ 2. Many purple non-sulfur Bacteria are photohetero- trophic, meaning that they . .. (2 points) A. get energy from light and carbon from organics B. get energy from light and carbon from CO 2 C. get energy from organics and carbon from light D. get energy from organics and carbon from CO 2 E. none of the above __ C __ 3. Which if the following is not a part of a biological taxonomy? (2 points) A. A naming method B. A grouping system C. A phylogenetic tree D. An identification scheme E. All of the above are included in a taxonomy ___ D __ 4. The term prokaryote means . .. (2 points) A. bacterial B. pre-eukaryotic C. lacking a nucleus or nucleoid D. not a eukaryote E. all of the above ___ E __ 5. The ssu-rRNA is a good molecule for generating phy- logenetic trees because . .. (2 points) A. It is composed of many independently-evolving parts B. it is present in and has the same function in all cells C. it contains both rapidly and slowly evolving regions D. horizontal transfer (almost) never occurs E. all of the above __ B __ 6. RNAs that are too different to align on the basis of sequence might be alignable based on . .. (2 points) A. three-dimensional structure determination B. secondary structure superimposition C. evolutionary history D. BLAST or CLUSTAL E. there would be no way to align these sequences __ E __ 7. Which of the following is not a method for generating phylogenetic trees? (2 points) A. maximum likelihood B. neighbor-joining C. parsimony D. Fitch E. all of these methods are used to generate trees Page 1 of 8
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8. Charles Darwin described how species evolve by ___
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This note was uploaded on 12/25/2009 for the course MB 451 taught by Professor M during the Spring '07 term at N.C. State.

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mt1_2009_key - Midterm Exam #1 MB 451 Microbial Diversity...

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