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MCB3020 Exam 1 UF Questions and Answers 100% Correct

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MCB3020 Exam 1 UF Questions and Answers 100% CorrectMCB3020 Exam 1 UF Questions and Answers 100% CorrectMCB3020 Exam 1 UF Questions and Answers 100% CorrectMCB3020 Exam 1 UF Questions and Answers 100% CorrectMCB3020 Exam 1 UF Questions and Answers 100% CorrectMCB3020 Exam 1 UF Questions and Answers...

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MCB3020 Exam 1 UF Questions and Answers
100% Correct


Prokaryotic kingdom - ANSWER - Monera



Hami - ANSWER - A network of cells that have a structure that makes them look like grappling hooks,
suggesting that they are involved in attaching cells to a surface



What class of organisms possesses Hami? - ANSWER - Only Archaeans



Water Activity (Aw) - ANSWER - A quantitative measurement of the water availability in a habitat



Osmotolerant - ANSWER - An organism that can grow in a wide range of solute concentrations or water
activity



Halophiles - ANSWER - Organisms that can withstand high salt concentrations



Glycosidic linkages - ANSWER - Hold together carbohydrates



Ester Linkages - ANSWER - Hold together lipids



Peptide bonds - ANSWER - Hold together proteins



Phosphodiester bonds - ANSWER - Hold together Nucleic Acids



Side chains of proteins - ANSWER - Determines Protein tertiary structure

, Refractive index - ANSWER - the ratio of the velocity of light in a vacuum to its veloctiy in a medium-
determines how much light will bend as it passes through the medium



Differential stain - ANSWER - Stain that uses more than one dye



Positive stain - ANSWER - (Basic Stain) positively-charged basic dye to negatively charged bacterial
surfaces



Negative stain - ANSWER - (Acidic stain) negatively-charged acidic dye that fills in the spaces around the
specimen providing a dark contrast



Capsule - ANSWER - a well-organized layer of polysaccharides that makes it difficult for a phagocytic cell
in the immune system to engulf and destroy the cell



Streptococcus or Staphylococcus - ANSWER - Gram-positive, coccus bacteria



Neisseria gonorrhoeae - ANSWER - Gram-negative, coccus bacteria



Bacillus or Clostridium - ANSWER - Gram-positive bacillus bacteria



E. coli and salmonella - ANSWER - Gram-negative, bacillus bacteria



Lyme Disease and syphilis - ANSWER - Spirochete-shaped bacteria



Cholera - ANSWER - Vibrio-shaped



Pleomorphic - ANSWER - Bacteria that can alter their size and shape in response to environmental
conditions



Hopanoids - ANSWER - steroid-like molecules that strengthen prokaryotic membranes and impact
membrane fluidity ONLY IN PROKARYOTES

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