Gram negative rods - Study guides, Class notes & Summaries

Uark microbiology lab practical 1 rated A Coccus A spherical bacterium. Bascillus Rod shaped bacteria Spirillum A spiral-shaped bacterium. Uses of good bacteria on our bodies, in yogurt, and can be used to clean up oil and radiation colony visible mass of cells Innoculation putting bacteria into a medium what is the purpose of aseptic technique -no contaminating organisms are introduced into culture materials during handling or inoculation -handler and other people are not contaminated by ...

GMS 6121 Exam 3 Quizzes with 100% Correctly Solved Which of the following are NOT accurately described structural relationships of bacteria? a) gram positive: thick peptidoglycan and teichoic acid b) gram negative: outer membrane and LPS c) acid-fast: waxes and lipids d) wall-less: LOS and cholesterol Answer-d) wall-less do have cholesterol from the host but do not have LOS/LPS Why are gram negative bacteria resistant to bacitracin and vancomycin? a) porins b) they lack the targets for...

Vibrio cholerae correct answers Gram negative comma-shaped & flagellated rods. 2 chromosomes, pH sensitive, halophilic, oxidase +. 2-3d incubation; produces rice water stools with dehydration (sunken eyes and cool skin). Electrolyte imbalance leads to muscle cramps. CT is a complex A-B toxin; A subunit translocates to ADP ribosylate the Gs subunit. cAMP levels rise, leading to water loss. Quorum sensing influences expression of virulence. At low density LuxO-P activates sRNAs that target HapR, t...

True/False: Gram stains and spore stains are examples of simple stains. - FALSE What causes bacterial endospore formation? - Response to environmental conditions, i.e., lack of nutrients What are the 4 phases of microbial growth? - Lag, exponential/log, stationary, death True/False: we will measure the optical density over time to determine growth rate. - TRUE Define generation time. - Time for population to double What does it mean for a culture to be in stationary phase? - Rate ...

ASCP Microbiology Exam (Answered) With Complete verified Solution Gemella Gram positive diplococcus. Thrive best at high partial carbon dioxide pressure. Facultative anaerobe. Oxidase negative. Catalase negative. In mucous membranes of humans and animals and upper digestive tract. Leuconstoc Gram positive cocci often in chains. Intrinsically resistant to vancomycin. Catalase negative. Are generally slime forming. Responsible for cabbage fermentation. Acanthamoeba A genus of amoe...

USMLE STEP 1 ANTIBIOTIC Questions and Answers with Complete Solutions 2024 Penicillin mechanism - ANSbinds to penicillin binding proteins in peptidoglycan (blocks transpeptidase crosslinking); activates autolytic enzymes penicillin use - ANSgram positives and syphilis penicillin toxicity - ANShypersensitivity reactions, hemolytic anemia penicillinase resistant penicillins - ANSmethicillin, nafcillin, dicloxacillin penicillinase resistant penicillin use - ANSStaph aureus penicillin resist...

CBIC: IDENTIFICATION OF INFECTIOUS DISEASE PROCESSES (PART 1) EXAM REVIEW QUESTIONS AND ANSWERS, RATED A+/ Aspergillosis [4, what is it, tx] - ---Airborne soil fungus --serious opportunistic infections --infections usually occur in lungs --tx: Amphotericin B and nystatin HA and NA [3] - ---Hemagglutinin (HA) --Neuroaminidase (NA) --glycoproteins on surface of capsid that play an important role in pathogenicity. Prions - -Infectious proteins that induce abnormal folding of normal cell...

BIOS-242 Lab Practical Review Latest 2023 Graded A+ ________ and _____ ______ ______ are used to focus the microscope course and fine focus knobs _______ is where the specimen to be viewed is placed stage ______ ______ the primary optical lenses on a microscope. optical lens optical lens range from _X-_____X 4X-100X _______ is the light source for a microscope, typically located in the base of the microscope illuminator ______ connects to the base and supports the microscope head. It is al...

MLT ASCP MICRO1: Exam Review Questions and answers, rated A+ SBA - -ENRICHED/DIFFERIENTIAL ISOLATION OF MOST FASTIDIOUS BACTERIA CHOC - -ENRICHED HAEMOPHILUS AND NEISSERIA COLUMBIA COLISTIN-NALIDIXIC ACID AGAR CNA - -SELECTIVE GRAM POSITIVE PHENYLETHYL ALCHOL AGAR PEA - -SELECTIVE GRAM POSITIVE COCCI AND ANAEROBIC GRAM NEGATIVE RODS GROUP A-SELECTIVE STREP AGAT WITH 5% SHEEP BLOOD SSA - -SELECTIVE GROUP A STREP FROM RESPIRATORY SOURCES EOSIN METHYLENE BLUE EMB - -SELECTIVE/DIFF...

USMLE Actual final Pretest and Post test Exam Questions and Best Graded Guaranteed success latest 2024/2025 What type of normal flora is found on cutaneous surfaces? Urethra? Outer ear? - correct answer Staphylococcus epidermidis What is bacteremia? - correct answer Bacteria in bloodstream without overt clinical signs What is septicemia? - correct answer Bacteria in bloodstream (multiplying) with clinical symptoms What is the important mechanism in which bacteria can attach to ...