Lipopolysaccharide - Study guides, Class notes & Summaries

EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED DNA is replicated in the ___ nucleus RNA is replicated in the ___ cytoplasm what is the first step in viral replication? penetration/adhesion (attaches to membrane using spikes) what is the second step in viral replication? uncoating what is the third step in viral replication? replication what is the fourth step in viral replication? assembly what is the fifth step in viral replication? maturation what is the sixth step in viral replication? r...

2 weeks after a whipple operation, your patient continues to have early satiety with oral intake. You decide to start metoglopramide (Reglan) and erythromycin. What receptor does erythromycin bind to increase gastrointestinal motility? - Motilin (found primarily in the stomach, duodenum, and colon) Proteins are synthesized from: a. mRNA b. tRNA c. dsDNA d. ssDNA - mRNA 1 week after an APR, our patient develops urosepsis requiring volume resuscitation, antibiotics, and moderate amounts o...

Midterm Exam: NUR631/ NUR 631 (New 2023/2024 Update) Advanced Physiology and Pathophysiology _Study Guide with Questions and Verified Answers_ 100% Correct – GCU QUESTION Hypernatremia S/S Answer: You are 'fried' or S.A.L.T. F - Fever (low grade), flushed skin R - Restless (irritable) I - Increased fluid retention and increased BP E - Edema (peripheral and pitting) D - Decreased urinary output, dry mouth S = Skin flushed A = Agitation L = Low-grade fever T = Thirst ...

EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY -1. Who first designed the microscope, saw and sketched microbes? A. Louis Pasteur B. Robert Koch C. Ilya Mechnikov D. Dmitri Ivanovsky E. Antonie Philips van Leeuwenhoek 2. Without which structures, bacteria cannot carry out their activities? A. Capsule B. Spors C. Volutine granules D. Nucleoid E. Flagella 3. What structure determines the shape of a bacterial cell? A. Cytoplasmic membrane B. Capsid C. Capsule D. Spore...

MICR 271 EXAM QUESTIONS WITH ALL REVISED ANSWERS O-Antigen in lipopolysaccharide - Answer-may contain hundreds of repeating units that are species specific - external to the cell, accessible for interactions with immune cells Core in lipopolysaccharide - Answer-formed by an array of sugars including ketodeoxyoctonate - inner core is external to the membrane, but close to the surface of the cell - cross links ionically with other components of the membrane Lipid A in lipopolysaccharide...

1. Which of the following is NOT an endotoxin a. Lipopolysaccharide b. lipotechoic acid c. peptidoglycan d. spe toxin Correct Answer-D 2. Bacillus anthracis has an infectious dose 50 of 100 colony forming units. Streptococcus pneumoniae has an ID50 of 10000 CFU. Which of the following statements most accurately summarizes the data above? a. B. anthracis is more pathogenic than S. pneumonia b. B. anthracis is less pathogenic than S. pneumonia c. B. anthracis is more virulent than S....

What is not a function of a prokaryotic cell membrane? (A) Protein synthesis (B) Protein secretion (C) Respiratory electron transport (D) Osmotic barrier (E) Lipid synthesis CORRECT ANSWER (A) Protein synthesis Which of the following cell components would not be found on a gram-positive, circular shaped bacterium? (A) Murein (B) Teichoic Acids (C) S layer (D) Flagellum (E) Outer Membrane CORRECT ANSWER (E) Outer Membrane Which structure provides resistance to desiccation? ...

All of the following are components of bacterial cell wall EXCEPT: a. N-acetylglucosamine b. lipopolysaccharide c. amino acids d. N-acetymuramic acid correct answers b. lipopolysaccharide Which of the following statements about membrane lipids is true? a. Lipids of bacteria have ether linkages, while those of archaea have ester linkages. b. Lipids of bacteria and archaea have ester linkages. c. Lipids of bacteria and archaea have ether linkages. d. Lipids of bacteria have ester linkag...

BIOD 101 Exam 2 (Questions and Answers A+ Graded 100% Verified) List the 7 most widely accepted characteristics of living organisms CORRECT ANS: Order, evolutionary adaptation, regulation, energy processing, growth and development, response to the environment, and reproduction Describe evolutionary adaptation and give an example CORRECT ANS: refers to smaller, genetic changes that allow for better survival of an organism. An example would be camouflage because if an animal can camo...

Based on the nomenclature for bacterial genes and proteins, which of these seems like a name for bacterial enzyme malate dehydrogenase? a.) Mdh b.) mdh c.) mdh (italicized) d.) Mdh (italicized) - correct answer a.) Mdh The first person to visualize individual microbes was a.) Antonie van leeuwenhoek b.) Louis Pasteur c.) Robert Koch d.) Robert Hooke - correct answer a.) Antonie van leeuwenhoek What is the correct order of reagents in the Gram stain? a.) Crystal violet, iodin...