Mcb 3020 final - Study guides, Class notes & Summaries

Which of the following microscopes typically uses dyes or antibodies? (1) - Fluorescence microscope Prior to the work of ____________, scientists did not distinguish between members of the Archaea and the Bacteria. - Carl Woese The instrument that produces a bright image of the specimen against a dark background is called a (n) __________ microscope. - Dark field

Which of the following is not true about archaeal ribosomes? - They may possess ribosome binding sites homologous to bacterial Shine-Dalgarno sequences. - They have similar antibiotic sensitivities to those of bacteria. - They are 70S like bacterial ribosomes. - All of these are true about archaeal ribosomes. - They have similar antibiotic sensitivities to those of bacteria. All of the following statements about the periplasmic space are true except: - It contains hydrolytic enzymes and b...

MCB 3020 FINAL EXAM QUESTIONS AND ANSWERS

Symbiosis - Answer--The stable association of one organisms with another -Occurs whether or not the association is beneficial for both partners Symbiont - Answer--Smaller organism in a symbiotic relationship Larger organism in a symbiotic relationship - Answer-Host Microbe-host relationship is sometimes called - Answer--holobiont or superorganism All symbionts must undergo the process of - Answer--host colonization, reproduction, and persistence within the host as well as transmis...

MCB 3020 – FINAL Exam Questions With Verified Solutions Humoral immunity is mediated by - answerantibodies Cellular immunity is mediated by - answerT-cells Mechanical barriers - answer1) Skin 2) Mucous membranes 3) Tears 4) Respiratory tract Very few microorganisms penetrate skin True or False? - answerTrue What do tears contain? - answerLysozymes What kind of epithelium covers respiratory tract? - answerciliated epithelium Natural resistance (innate immunity) includes - answer1) C...

MCB 3020 – FINAL Exam Questions With Verified Solutions Humoral immunity is mediated by - answerantibodies Cellular immunity is mediated by - answerT-cells Mechanical barriers - answer1) Skin 2) Mucous membranes 3) Tears 4) Respiratory tract Very few microorganisms penetrate skin True or False? - answerTrue What do tears contain? - answerLysozymes What kind of epithelium covers respiratory tract? - answerciliated epithelium Natural resistance (innate immunity) includes - answer1) C...

MCB 3020 – FINAL Exam Questions With Verified Solutions Humoral immunity is mediated by - answerantibodies Cellular immunity is mediated by - answerT-cells Mechanical barriers - answer1) Skin 2) Mucous membranes 3) Tears 4) Respiratory tract Very few microorganisms penetrate skin True or False? - answerTrue What do tears contain? - answerLysozymes What kind of epithelium covers respiratory tract? - answerciliated epithelium Natural resistance (innate immunity) includes - answer1) C...

MCB 3020 – FINAL Questions with 100% Correct Answers Humoral immunity is mediated by - antibodies Cellular immunity is mediated by - T-cells Mechanical barriers - 1) Skin 2) Mucous membranes 3) Tears 4) Respiratory tract Very few microorganisms penetrate skin True or False? - True What do tears contain? - Lysozymes What kind of epithelium covers respiratory tract? - ciliated epithelium Natural resistance (innate immunity) includes - 1) Cells: macrophages, etc 2) Mechanical barrie...

MCB 3020 – FINAL Exam Questions With Verified Solutions Humoral immunity is mediated by - answerantibodies Cellular immunity is mediated by - answerT-cells Mechanical barriers - answer1) Skin 2) Mucous membranes 3) Tears 4) Respiratory tract Very few microorganisms penetrate skin True or False? - answerTrue What do tears contain? - answerLysozymes What kind of epithelium covers respiratory tract? - answerciliated epithelium Natural resistance (innate immunity) includes - answer1) C...

MCB 3020 EXAM 3 FINAL EXAMS WITH CORRECT ANSWERS The phosphorylation of glucose to make glucose-6-phoshpate in glycolysis consumes ATP, and increases entropy. True or False? - CORRECT ANSWER-False -entropy decreases as order increases Two ways in which carbon can be acquired for biosynthesis include ___________ and ______________. A. Heterotrophy and autotrophy B. Chemotrophy and phototrophy C. Autotrophy and phototrophy D. Lithotrophy and autotrophy - CORRECT ANSWER-A. Heterotro...