BIOD 171 MODULE 3 ESSENTIAL MICROBIOLOGY EXAM PREP QUESTIONS ANSWERS BUNDLED SOLUTIONS HIGH QUALITY PRACTICE MATERIAL

BIOD 171 MODULE 3 ESSENTIAL
MICROBIOLOGY EXAM PREP QUESTIONS
ANSWERS BUNDLED SOLUTIONS HIGH
QUALITY PRACTICE MATERIAL

●● Self vs nonself
Answer: Ability of immune system to distinguish body cells from
foreign cells


●● Primary response
Answer: First exposure to antigen; slower, weaker response


●● Secondary response
Answer: Faster, stronger response due to memory cells


●● Humoral immunity
Answer: B cells produce antibodies to fight extracellular antigens


●● Cell-mediated immunity
Answer: T cells attack infected or abnormal cells


●● B cells

, Answer: Mature in bone marrow; produce antibodies


●● T cells
Answer: Mature in thymus; respond to infected cells


●● Antigen
Answer: Substance that triggers antibody production


●● Epitope
Answer: Specific part of antigen recognized by antibody


●● Hapten
Answer: Small molecule that becomes antigenic when attached to carrier


●● Antibody (immunoglobulin)
Answer: Protein that binds specific antigens


●● Valence
Answer: Number of antigen-binding sites on antibody


●● Structure of antibody
Answer: Y-shaped; 2 heavy chains + 2 light chains