Mcb3020 exam Study guides, Class notes & Summaries

hat is cell-mediated immunity (CMI)? Humoral immunity (AMI) - Answer Cell mediated immunity is immunity against intracellular pathogen's. This kind of immunity involves T cells ( including cytotoxic T cells and helper T cells) and natural killer cells that acts as housekeepers, killing cells that pose a problem for the body. Humoral immunity is immunity against extracellular pathogen's. Humour means liquid or fluid. This kind of immunity involves the activation of B cells which produce an...

MCB3020 Exam 4 UPDATED Exam Questions and CORRECT Answers List blood formed elements and describe their functions. - Correct ANSWER- -red blood cells: transport oxygen and carbon dioxide -platelets:essential for blood clotting -white blood cells (leukocytes): include a diverse group of cells involved in immunity --Granulocytes:presence of granules in their cytoplasm and include neutrophils, eosinophils, mast cells and basophils --Agranulocytes: lack granules and inclue monocytes an...

MCB3020 Exam 4 Exam Study Guide With Verified Solutions. List blood formed elements and describe their functions. - answerThe major blood formed elements and their functions are as follows: -red blood cells: transport oxygen and carbon dioxide -platelets: essential for blood clotting -white blood cells (leukocytes): include a diverse group of cells involved in immunity, including following: ~granulocytes- characterized by the presence of granules in their cytoplasm and include neutrophi...

hat is the job of natural killer cells - Answer -play a role in non-specific/innate immunity and in specific/acquired immunity -kill infected or abnormal celly bu producing perforin -there is no CD8-MHC-1 communication between natural killer cells and infected cells List lymphocytes. What are the differences between plasma cells and memory B cells - Answer - lymphocytes consist of B cells, T cells and natural killer cells -B cells differentiate into two type of cells: plasma cells (produce...

MCB3020 Exam 1 UWF (verified 2024).

MCB3020 Exam 1 UWF

A microbe is discovered living in an extreme environment near a deep sea vent. The microorganism lacks a nucleus and peptidoglycan in its cell wall, but it does have unusual membrane lipids. This species is most likely a member of the Domain - Archaea Disproves spontaneous generation - Louis Pasteur Generates the small pox vaccine - Edward Jenner Describes bacterial transformation - Fredrick Griffith

Exam 1 DISCOVERY: 1. Swan-neck flask experiments performed by ____________ disproved the theory of ____________ in the late 19th century. A. Redi; sanitarianism B. Redi; evolution C. Woese; endosymbiosis D. Koch; miasma E. Pasteur; spontaneous generation 2. The chain of infection, proposed by Robert Koch, describes what? A. The transmission of a germ B. That germs arise from common descent C. The postulates of germ theory D. The pathogenesis of anthrax E. That germs cause disease, ...

MCB3020 Final Exam Questions And Answers (Verified And Updated) The Gram stain can only be performed on cultures grown in liquid media. Group starts - answerFalse Steps of Koch's Postulates - answer1. disease always present in sick but not in well individuals 2. isolate microorganism from sick 3. infection with pure microbe into healthy individuals result in disease 4. re-isolate microorganisms form infected individuals The major site of cell membrane synthesis is the _________blank. -...

MCB3020 Final Exam Questions And Answers (Verified And Updated) The Gram stain can only be performed on cultures grown in liquid media. Group starts - answerFalse Steps of Koch's Postulates - answer1. disease always present in sick but not in well individuals 2. isolate microorganism from sick 3. infection with pure microbe into healthy individuals result in disease 4. re-isolate microorganisms form infected individuals The major site of cell membrane synthesis is the _________blank. -...