Fimbriae - Study guides, Class notes & Summaries

The sum total of all the microbes in a certain environment is termed the______ Select one: a. biofilm b. microbial niche c. microbiome d. phylogeny e. domain: Microbiome 2. Studies of the immune response to an infection caused by microorganisms would be performed by a/an _______. Select one: a. hypersensitivity specialist b. geomicrobiologist c. epidemiologist d. immunologist: Immunologist 3. Which of the following is NOT a recent discovery that has had a huge impact on the under...

gene - Answer-unit of inheritance that programs the amino acids of a polypeptide chain monomers: DNA and nucleic acids two types of DNA - Answer-DNA and RNA gene expression - Answer-DNA directs its own replication, controls protein synthesis flow of genetic info - Answer-DNA -> RNA -> Protein DNA backbone made of - Answer-sugar and phosphate complement base pairing - Answer-A w/ T and G w/ C phosphodiester linkage - Answer-links nucleotides, made of phosphate group that links the su...

Which of the following is/are shared by all cells? a) Mitochondria b) Endoplasmic Reticulum c) Nucleus d) Cell Membrane - correct answer d) Cell Membrane Which of the following best supports the endosymbiotic theory? a) Mitochondria synthesize ATP b) Chloroplasts and mitochondria both use host cell ATP synthases for energy generation c) Chloroplasts synthesize glucose d) Chloroplasts and mitochondria both maintain their own unique DNA - correct answer d) Chloroplasts and mitoc...

There are two cell types - prokaryotic and eukaryotic. List the 7 classes or basic types of microorganisms and identify each as prokaryotic, eukaryotic, both prokaryotic and eukaryotic, or neither. - ANSWER 1. Bacteria- prokaryotic 2. Archaea- prokaryotic 3. Algae- eukaryotic 4. Fungi- eukaryotic 5. Protozoa- eukaryotic 6. Helminthes- eukaryotic 7. Viruses- neither What is a bacterial endospore? Explain how endospore-forming bacteria could cause a scientist to believe in spontaneous gen...

fimbriae/pili, afimbrial adhesins correct answers mechanisms of adhesion to host surfaces adhesins at tip that bind to specific glycoproteins/glycolipids on host cell membranes, long major filament that can extend beyond the capsule correct answers main features of pili/fimbriae molecules embedded in bacterial membranes, bind to glycoproteins or glycolipids on host membranes or can bind ECM such as fibronectin correct answers main features of afimbrial adhesins tracheal colonization fac...

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size - Binary Fission Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause disease. - Virulence factors Gram staining differentiates bacteria based on their: A) ATP B) endospore C) cell wall D) integral proteins - Cell Wall Reactions that require energy are called ________ reactions: A) endergonic B) endothermic C) exergonic ...

MI Final Exam Questions & Answers 2024 Periplasmic membrane - ANSWER- Cell Envelope - ANSWER--gram pos. and neg. cell wall -outer membrane -cytoplasmic membrane -membrane proteins -porin (only in neg.) Pili Fimbriae - ANSWER-Virulence factor: help bacteria attach to cells that they will infect Nucleoid - ANSWER-most of bacterial DNA is found here, but not bound by a membrane Cell Wall - ANSWER- Genophore - ANSWER-long double strand of DNA, bacterial chromosome Storage ...

The ability to cause disease is __________. Correct Answer-pathogenicity Why is there such a difference between the flora in the duodenum and that in the ileum? Correct Answer-There is a large pH difference between these regions of the small intestine. Factors that enhance an organism's ability to adhere to host tissues include __________. Correct Answer-fimbriae Certain traits that allow pathogens to create infection and cause disease are termed Correct Answer-virulence factors. Wh...

Microbiology Review Practice Test. identify which of the following are external structures used primarily for direct contact interactions with other cells a ) Flagella b) Fimbriae c) Cilia d) Pili - CORRECT ANSWER PILI, Fimbriae Which of the following describes movement towards or away from light ? 1) Phototaxis 2)Chemotaxis - CORRECT ANSWER Phototaxis Which of the following bored through the stomach lining and causes gastric ulcers? a) Klebsiella pneumoniae B) Streptococcus...

diplococci - Answer-resembles berries, remains in pairs after dividing, divide on one plane streptococci - Answer-resembles berries, divide and remain in chains (don't separate) tetrads - Answer-remain in groups of 4, divide in 2 planes sarcinae - Answer-divide in 3 planes and remain in cubelike clusters of 8 staphylcocci - Answer-divide in multiple planes and form grapelike clusters single bacillus - Answer-single rod diplobacilli - Answer-a double bacillus, two being linked end to end t...