Portage Learning BIOD 171 Microbiology Lab Exams 1 - 9 All in One.pdf

Portage Learning BIOD 171 Microbiology Lect
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1. True or False: A virus is considered a microorganism.
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False. Viruses are not living and as such are not considered microorganisms
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. Viruses can, however, be classified as microbes, a moregeneral term that
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includes microorganisms and viruses.
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2. What is the smallest biological unit of life?
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A cell.
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3. At a generalized level, all cells are comprised of what?
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Macromolecules*


*A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccha
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rides but they must answer with all four to be fully correct.
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1. How many different types of amino acids are available from which
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to make proteins?
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2. Define an essential amino acid.
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An essential amino acid cannot be produced by the human body and as suc
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h must be take in from the environment through alternative sources(i.e) fo
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od.


1. What are the two major types of nucleic acids and theirr
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oles?




DNA-
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A-
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acid
DNA- Cellular life has DNA and a role that DNA has is long-
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term storage of information, it holds the characteristics of
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Portage Learning BIOD 171 MicrobiologyLe
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living organisms.
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RNA-
Is the carrier of information in form of amino acidsequence. I
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t converts the information in the DNA and synthesizes protei
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