Biology 2420 - Study guides, Class notes & Summaries

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size - Binary Fission Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause disease. - Virulence factors Gram staining differentiates bacteria based on their: A) ATP B) endospore C) cell wall D) integral proteins - Cell Wall Reactions that require energy are called ________ reactions: A) endergonic B) endothermic C) exergonic ...

Biology 2420 - Final Exam Questions And Answers Living entities, surrounded by a membrane, that are capable of growing, reproducing, responding and metabolizing are known as: A) Cells B) biofilms C) bioreactors - ANS Cells ________ contain a nucleus composed of genetic material surrounded by a membrane: A) pseudo eukaryotes B) eukaryotes C) prokaryotes D) enzymes - ANS Eukaryotes ________ cells are those that do not have a membrane-bound nucleus: A) pseudo eukaryotes B)...

Living entities, surrounded by a membrane, that are capable of growing, reproducing, responding and metabolizing are known as: A) Cells B) biofilms C) bioreactors Cells ________ contain a nucleus composed of genetic material surrounded by a membrane: A) pseudovarieties B) eukaryotes C) prokaryotes D) enzymes Eukaryotes

Microbiology 2420 Final Exam 136 Questions with Complete Solutions Archaea that live in salty environment are called A) methanogens. B) extreme halophiles. C) extreme thermophiles. - Correct Answers B) extreme halophiles Which of the following serves as a reservoir for West Nile virus? A) human reservoir B) animal reservoir C) environmental reservoir - Correct Answers B) animal reservoir During phagocytosis, once human phagocyte has made the direct contact with the pathogeni...

What does TSI stand for? correct answer: Triple Sugar Iron How do you inoculate a TSI? correct answer: Stab and Drag What does a TSI slant agar select for? correct answer: Differentiates between non-fermenters, glucose fermenters and fermenters of lactose and/or sucrose. It is used to identify intestinal bacteria. What does a black medium on SIM agar indicate? correct answer: Positive for sulfur reduction and H₂S production What agent do you add to the indole test and what orga...

Biology 2420 - Final Exam Questions and Answers | 100% Pass Living entities, surrounded by a membrane, that are capable of growing, reproducing, responding and metabolizing are known as: A) Cells B) biofilms C) bioreactors - Answer️️ -Cells ________ contain a nucleus composed of genetic material surrounded by a membrane: A) pseudokaryotes B) eukaryotes C) prokaryotes D) enzymes - Answer️️ -Eukaryotes ________ cells are those that do not have a membrane-bound nucleus: A) pseu...

MICROBIOLOGY 2420 LAB EXAM 1 STUDY GUIDE...

Microbiology 2420 Final Exam GRADED A+

TSI (Triple Sugar Iron) Agar test, Microbiology 2420 Question and answer 2023Why are TSI cultures done? To identify enteric bacteria which metabolize the triple sugars and release hydrogen sulfide Culture medium TSI slants What 3 sugars are used in TSI cultures? Lactose Sucrose Glucose Which pH indicator is used in TSI cultures? Phenol red How are TSI slants inoculated? "Streak/stab method" (Streak the slant Stab the agar with an inoculating needle)

Biology 2420 - Final Exam Questions With Revised Answers Living entities, surrounded by a membrane, that are capable of growing, reproducing, responding and metabolizing are known as: A) Cells B) biofilms C) bioreactors - answerCells ________ contain a nucleus composed of genetic material surrounded by a membrane: A) pseudokaryotes B) eukaryotes C) prokaryotes D) enzymes - answerEukaryotes ________ cells are those that do not have a membrane-bound nucleus: A) pseudokaryotes B) euka...