Peritrichous Study guides, Class notes & Summaries

An acid-fast pathogen; over one-third of the world's population is infected; caseous necrosis is a hallmark of disease; MDR, XDR, BCG, and DOTS apply to this organism. Mycobacterium tuberculosis The most common cause of non-nosocomial urinary tract infections, usually in women; also the cause of the life-threatening disease known as hemolytic uremic syndrome. Escherichia coli Brainpower Read More Causes a life-threatening disease in individuals experiencing crowded and stressful l...

Developed smallpox immunization using cowpox agent - Edward Jenner Sought a "magic bullet" to destroy pathogens & not host - Paul Ehrlich Discovered penicillin - Alexander Fleming Pioneered aseptic surgery, Prevented surgical infections by using mists of phenol - Joseph Lister Father of Epidemiology (Cholera in London) - John Snow Pioneered asepsis by discovering that hand washing prevented streptococcal infections in obstetric patients - Ignaz Semmelweis Pioneered the culti...

Which of the following is not a characteristic of bacteria Its DNA is wrapped around histones Bacterial cells could have any of the following appendages except Cilia The term that refers to the presence of flagella over the cell surface is peritrichous The cell _ can be composed of three layers: the cytoplasmic membrane, the cell wall and the outer membrane Envelope If bacteria living in salty seawater were displaced to a freshwater environment the cell structure that would prevent the...

The term that refers to the presence of flagella all over the cell surface is: - Peritrichous A circular, double-stranded segment of DNA separate from prokaryotic chromosome is called a: - Plasmid A prokaryotic cell may possess each of the following cellular components EXCEPT: - A nucleus The type of bond formed between atoms that share electrons, rather than donating or receiving them is called: - Covalent Viruses are not considered living organisms because they: - Cannot reproduce on the...

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...

1. All microorganisms are best defined as organisms that a.) cause human disease b.) lack a cell nucleus c.) are infectious particles d.) are too small to be seen with the unaided eye e.) can only be found growing in labs - d.) are too small to be seen with the unaided eye 2. cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been called a.) decomposers b.) prokaryotes c.) pathogens d.) eukaryotes e.) fermenters - b.) prokaryotes 3...

Edward Jenner - Developed small pox immunization using cowpox agent Paul Ehrlich - sought a " magic bullet" to destroy pathogens Alexander Fleming - discovered penicillin Joseph Lister - Pioneered aseptic surgery John Snow - father of epidemiology (cholera in London) Ignaz Semmelweis - Pioneered asepsis by discovering that hand washing prevented streptococcal infections in obstetric patients Robert Koch - Pioneered the cultivation of bacteria on solid media Louis Pasteur -...

MCB 2010 MDC Study Guide# 1 2024 Which of the following statements is INCORRECT regarding prokaryotic cells? a. Their DNA is not enclosed within a membrane. b. They lack membrane-enclosed organelles. c. They typically have a circular chromosome. d. They reproduce by binary fission. e. They lack a plasma membrane. -Answer-They lack a plasma membrane. 2.Each of the following statements concerning the gram-positive cell wall is true EXCEPT A) it maintains the shape of the cell. B) it is s...

Microbiology Chapter 3 Exam Questions with 100% Correct Answers | Verified | Updated 4 Processes of Life - answergrowth, reproduction, responsiveness, metabolism Prokaryotes - answerkind of cell without a nucleus eukaryote - answerkind of cell with a nucleus organelles - answerspecialized structures that act like tiny organs to carry on the functions of the cell glycocalyx - answergelantious, sticky substance that surrounds the outside of a cell capsule - answera glycocalyx of a bacteri...

Microbiology Chapter 3 Exam Questions with 100% Correct Answers | Verified | Updated 4 Processes of Life - answergrowth, reproduction, responsiveness, metabolism Prokaryotes - answerkind of cell without a nucleus eukaryote - answerkind of cell with a nucleus organelles - answerspecialized structures that act like tiny organs to carry on the functions of the cell glycocalyx - answergelantious, sticky substance that surrounds the outside of a cell capsule - answera glycocalyx of a bacteri...