Microbiology final exam Question and Answers 2024

Microbiology final exam Question and Answers 2024 Endospores are Metabolically inactive, Resistant to heat and chemical destruction,Resistant to destruction by radiation, Living structures All of the choices are correct. Chemotaxis refers to the ability to. - Not move in response to a chemical. - move in response to light. -transport desired molecules into cells. - move in response to a chemical. Move in response to a chemical Bacterial cells could have any of the following appendages except. -flagella. -fimbriae. -periplasmic -flagella (axial filaments). -sex pili. cilia We have an expert-written solution to this problem! The site(s) for most ATP synthesis in bacterial cells is(are) the mitochondria. cell wall. cell membrane. inclusions. ribosomes. Cell membrane The bacterial chromosome -contains all the cell's plasmids. -is part of the nucleoid. -forms a single linear strand of DNA. -All of the choices are correct. -is located in the cell membrane. Part of the nucleoid Spirochetes are able to move due to a periplasmic flagellum. pseudopods. fimbriae. a membrane-bound flagellum. cilia serving as walking feet. Periplasmic flagellum We have an expert-written solution to this problem! A chain of rod-shaped cells would be called a(an) palisades. staphylobacillus. streptobacillus. staphylococcus. streptococcus. streptobacillus We have an expert-written solution to this problem! Which of the following species of bacteria is not closely related to the others? Staphylococcus saprophyticus Staphylococcus aureus Staphylococcus epidermidis Escherichia coli Staphylococcus capitis Escherichia coli The function of bacterial endospores is -to act as sites for photosynthesis. -protection of genetic material during harsh conditions. -to convert gaseous nitrogen to a usable form for plants. -reproduction and growth. -storage of excess cell materials. protection of genetic material during harsh conditions All bacterial cells have the ability to produce endospores. one or more fimbriae. capsules. one or more chromosomes. flagella. one or more chromosomes A bacterial cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is gram positive. found in archaea. acid fast. a spheroplast. gram negative. Gram- positive Gram-negative bacteria -None of the choices is correct. -stain purple in the Gram stain. -are less susceptible to antibiotics that target peptidoglycan than gram-positive organisms. - encompass all pathogens. are more susceptible to antibiotics that target peptidoglycan than gram-positive organisms. are less susceptible to antibiotics that target peptidoglycan than gram-positive organisms. Which order below reflects the correct procedure for Gram staining? ~ alcohol/acetone-safranin-crystal violet-iodine ~ crystal violet-alcohol/acetone-iodine-safranin ~ iodine-safranin-crystal violet-alcohol/acetone ~ alcohol/acetone-crystal violet-safranin-iodine ~ crystal violet-iodine-alcohol/acetone-safranin crystal violet-iodine-alcohol/acetone-safranin The outcome of the Gram stain is based on differences i