Bacteria vs virus - Study guides, Class notes & Summaries

Virology Exam #1 Properties of a virus - correct answer - Filterable agents (not retained in a filter like bacteria are) - Obligate intracellular parasites - Cannot make energy or proteins independent of a host cell (no generation of metabolic energy) - Viral components are assembled and do not replicate by "division" - Must encode any required process not provided by the host cell - Genomes may be RNA or DNA but not both - Have a naked capsid or envelope morphology Theories on how v...

Virology Exam 1 (Columbia - Racaniello) Exam Questions and Answers 1. How many viruses do we carry at any given time? Why don't these make us sick? - Answer-- most viruses just pass through us - non-human viruses - Viruses can be beneficial (thermotolerant fungi) - Strong immune system! How can viruses be beneficial? Why do we care that they comprise the most biodiversity on the planet? -Answer-Co-evolution, thermotolerant fungi, enteric virus replaces function of commensal bacteria W...

Characteristics of Viruses ~~> •Nonliving agents that infect bacteria, plants, animals • •Do not contain •cellular organelles •DNA or RNA (have one or the other) • •Can be classified as intracellular parasites •Must be in host cell to replicate and cause infection •Many viruses infect specific host cell • •They do have their own enzymes which can be targeted with medications What does DNA and RNA do? ~~> store and transmit genetic information DNA: bl...

Health - ACCURATE ANSWER-Physical -Mental ex) Ecological Perspective -Social Community - ACCURATE ANSWERgroups of people who have something in common, defined groups/large groups Population - ACCURATE ANSWERvariation/diversity, big scale Public - ACCURATE ANSWERinfrastructure, agencies/programs Public Health 3P's - ACCURATE ANSWERPopulation, Prevention, Perspective (Ecological) Primary Preventions - ACCURATE ANSWERWarning Signs, Barrier, Guards/Security, Media, Educated Lifegu...

Fungi - cell wall made of chitin; Eukaryote Algae - cell wall made of silicates, eukaryotic Protozoa - Eukaryote Bacteria - Prokaryotic Virus - Acellular; only reproduce if they are inside of a living cell What allows a substance to cross a membrane - Protiens Substances that will never pass through a membrane - Charged substances Passive movement processes - No ATP needed 1. Diffusion 2. Facilitaed Diffusion 3. Osmosis Active Transport processes - Uniport Aniport Sy...

MICROBIOLOGY 2024 EXAM QUESTIONS 100% SOLVED CORRECT ANSWERS WITH COMPLETE VERIFIED ANSWERS LATEST UPDATE Norovirus Basic info Caliciviridae +ssRNA, naked Trans. faecal-oral, 4 F's + shellfish 1 long polypeptide -> viral proteases Risk: Cruise ships, barracks, schools, hospitals, buffet's, shellfish Signs: Onset 12-48 hrs, lasts 48-72 hrs 1. NS Flu-like w/ acute onset emesis 2. Abdominal pain 3. watery diarrhea Dx 1. RT-PCR of stool Tx 1. Supportive 2. Sanitation and ...

Latest PUBH 6011 Final Exam with 100% Correct Answers aUnderstand the major function of cells *Ans* Cell differentiation: in bone marrow, adult stem cell can reproduce and splits to either myeloid or lymphoid progenitor, which can then differentiate into many kinds of cells Homeostasis and cell injury: many adverse biological effects occur when cells are damaged, damage can be to any part of the cell, causes can be infectious agents, oxygen deprivation, trauma, chemicals, nutritional...

Latest PUBH 6011 Final Exam with 100% Correct Answers aUnderstand the major function of cells *Ans* Cell differentiation: in bone marrow, adult stem cell can reproduce and splits to either myeloid or lymphoid progenitor, which can then differentiate into many kinds of cells Homeostasis and cell injury: many adverse biological effects occur when cells are damaged, damage can be to any part of the cell, causes can be infectious agents, oxygen deprivation, trauma, chemicals, nutritional...

Define the term Microbiology - The study of microorganisms and their relationships to the environment, humans and animals in disease Name the 5 classifications of microorganisms - Bacteria, Virus, Mycobacterium, Fungi, Parasites Blood agar is the most commonly used media in the clinical laboratory. What type of media is blood agar? - Enriched media, Differential media (detection of Beta-hemolytic organisms) List some agars that are generally used in stool cultures and what type...

NUR 215 Exam 2 (Modules 3, 4, and 5) Exam Questions And Answers infection - ANS invasion and multiplication of pathogen in the body HAIs - ANS healthcare associated infections common HAIs - ANS - central-line associated bloodstream infections (CLABSI) - C.diff - pneumonia - MRSA - surgical site infections (staph, strep, pneumo) - UTI - catheter-associated UTIs asepsis - ANS absence of bacteria, viruses, and other microorganisms pathogen - ANS bacterium, virus, m...