Mcb3020 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...

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 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 Exam 1 UWF (verified 2024).

MCB3020 Exam 1 UWF

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. -...

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

Bacterial Morphology1.COCCI 2. BACILLI 3. HELICOIDAL CocciSpherical organisms Rods (Bacilli)Cylindrical organisms HelicoidalSpiral shaped Diplococci (pairs)-divide in one plane Streptococci (chains)divide in one plane Tetracocci (tetrads)divide in two planes