BIOD 101 MODULE 6 EXAM Actual Questions and Verified Answers 2026/2027 | Portage Learning

BIOD 101 MODULE 6 EXAM Actual Questions and Verified Answers 2026/2027 | Portage Learning. Which of the following statements is/are true of Eukaryotic cells? (select all that apply) A) DNA is housed in a membrane-bound nucleus B) They are always single celled C) Bacteria are examples D) All of the above statements are true A Explain how pathogens use capsules to evade host cell detection Pathogens can sometimes form protective capsules that are thick enough to mask surface antigens. Not only are the pathogens difficult to recognize, but the capsule provides the additional benefit of protecting the microorganisms from degradation by host antimicrobial proteins. During the Gram-stain procedure, Gram-positive bacteria retain a dye that is _______ in color, while Gram-negative bacteria retain a dye that is _________ in color. purple; pink/red Where is lysozyme found? Describe how lysozyme destroys pathogens that have entered the body. Lysozyme is a secreted enzyme found in mucus, tears and saliva that interferes with the peptidoglycan walls of some bacteria and can thus destroy potential invaders. Each of the following statements is true about GAS except A) It is the causative pathogen of strep throat B) It is a Gram-positive cocci arranged in chain C) It is very treatable in developed nations. D) The mode of transmission is only through person-to-person contact via saliva E) All of the above are true D) The mode of transmission is only through peson-to-person contact via saliva Bacterial cell walls are sometimes enclosed by an outer __________ which serves as a mechanism of adhesion to host cells or other bacterial cells capsule Humoral immune responses involve ___________; while ___________ immune responses involve T cells B cells; cell-mediated Toxic enzymes that enter the host cell via endocytosis and then work to degrade and destroy intracellular proteins are called: A) Helper T cells B) Cytotoxic T cells C) Granzymes D) Perforins Granzymes Explain how the nucleus of a Eukaryotic cell differs from the nucleoid region of a prokaryotic cell The nucleus of a eukaryotic cell is bound by an outer membrane, while the nucleoid region is not bound by a membrane. Both contain the cell's DNA. A patient goes to their primary care physician with complaints of a sore throat and a headache, and they have a fever. Upon exam, the lymph nodes in their neck are swollen. Their rapid detection test for S. pyogenes comes back negative. What might the physician suspect about this test? What should they do? Given the patient's symptoms, the doctor may suspect a false negative. They should take a second culture for further examination. T/F: Peptidoglycan is a polymer consisting of two cross-linked sugars, namely, Nacetylglucosamine (NAG) and N-acetylmuramic acid (NAM) True Which of the following statements is/are true of B cells? A) Their receptors appear as a "Y" projecting from their surface. B) They are associated with cell-mediated immune responses C) They are a type of neutrophil D) None of the above are true A) Their receptors appear as a "Y" projecting from their surface