Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 ALL ANSWERS 100% CORRECT SOLUTION AID GRADE A+

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True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general ter... m that includes microorganisms and viruses. 2. What is the smallest biological unit of life? A cell. 3. At a generalized level, all cells are comprised of what? Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must answer with all four to be fully correct. 1. How many different types of amino acids are available from which to make proteins? 20 2. Define an essential amino acid. An essential amino acid cannot be produced by the human body and as such must be take in from the environment through alternative sources (i.e) food.Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 ALL ANSWERS 100% CORRECT SOLUTION AID GRADE A+ 1. The plasma membrane (select all that are true): A. Restricts movement of materials in and out of the cell B. Is often a triple layer comprised of lipids C. Prevents essential nutrients from escaping D. Contains hydrophobic tails pointing outward A and C 2. How many carbon atoms are present in the monosaccharide glucose? A. 1 B. 3 C. 6 D. 12 [Show More]

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