Icosahedral symmetry Study guides, Class notes & Summaries

Virology Review (ASCP) question answers Viruses (virions) They are the smallest known form of infectious disease-causing agents. Virus size Viruses are 1/10 the size of bacteria and 1/100 the size of eukaryotic cells. They cannot be observed with a light microscope. Virus genome Viruses of humans are composed of nucleic acid (DNA or RNA): ssDNA, dsDNA, ssRNA, dsRNA. Virion basic structure/components Enveloped/naked, capsid/capsomers, nucleocapsid, nucleic acid Nu...

COMPLETE)BIOLOGY 442 ACTUAL EXAM TEST VIROLOGY QUESTIONS AND ANSWERS TEST 2024 UPDATE(CHAPTER 1-6) Lecture 1: Origin and History of Viruses 1) How did the of application of Koch’s postulates in the 1880’s lead to the discovery of viruses? a. Koch’s postulates correlated many diseases with their causing agent/organism. In the 1880’s, Koch’s postulates established four criteria to isolate the responsible disease-causing agent and correlate it to the effects that disease was ca...

2mo *infant* 102 deg F *vomiting, diarrhea, dehydration* *viral* particles w/ wheel like shape *properties of virus?* - CORRECT ANSWER *rotavirus* type of nucleic acid: double-stranded RNA, segmented envelope: no capsid symmetry: icosahedral transposition is when a DNA segment _____ from location to another, transferring genes from *plasmid* --> *chromosome* and vice verse - CORRECT ANSWER jumps (ex. vanA gene from VRE to S. aures) why is there a *decrease in VRE resistan...

Microbiology Exam 100 Questions & Answers 2023/2024 UpdateMicrobiology,Oral Physiology,Oral Diagnosis, Pathophysiology,Phamacology, Class Anesthesiology & General Physiology Exam Questions & Answers 2023/2024 Update 1. Any deviation from health where tissues and organs are damaged and disrupted is termed as: A. Pathology B. Disease C. Infection D. Transient microbiota E. Commensalism 2. The human body provides a favorable habitat for microorganisms. Which of the following ...

Microbiology,Oral Physiology,Oral Diagnosis, Pathophysiology,Phamacology, Class Anesthesiology & General Physiology Exam Questions & Answers 2023/2024 Update 1. Any deviation from health where tissues and organs are damaged and disrupted is termed as: A. Pathology B. Disease C. Infection D. Transient microbiota E. Commensalism 2. The human body provides a favorable habitat for microorganisms. Which of the following does not contribute to this favorable habitat? A. Stab...

Microbiology,Oral Physiology,Oral Diagnosis, Pathophysiology,Phamacology, Class Anesthesiology & General Physiology Exam Questions & Answers 2023/2024 Update 1. Any deviation from health where tissues and organs are damaged and disrupted is termed as: A. Pathology B. Disease C. Infection D. Transient microbiota E. Commensalism 2. The human body provides a favorable habitat for microorganisms. Which of the following does not contribute to this favorable habitat? A. Stab...

Microbiology Midterm Exam This document is meant to be a pre-emptive study tool only. It is comprised of 5 past midterm exams. Questions on current exams are likely different. Use this BEFORE (of c ourse not during!) the exam to study practice questions that may be similar or cover topics on the new exams, and to understand the depth of material covered so you can study better and be more prepared! 1. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphyl...

MICROBIOLOGY AND PARASITOLOGY-QUESTIONS AND ANSWERS GRADED A+ Prokaryotes are characterized by - ANSWER-Peptidoglycan The size of viruses - ANSWER-20-300nm Characteristics of prions - ANSWER-Heat stable Bacillus anthracis characteristics - ANSWER-ID for inhalation ( spores), have capsules (prevent phagocytosis and provide attachment functions), edema toxin+lethal toxin, spores Positive CAMP test result is seen between - ANSWER-staphylococcus aureus and streptococcus agalactiae...

BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023) Straighterline  This document is meant to be a pre-emptive study tool only. It is comprised of 5 past midterm exams. Questions on current exams are likely different. Use this BEFORE (of course not during!) the exam to study practice questions that may be similar or cover topics on the new exams, and to understand the depth of material covered so you can study better and be more prepared! 1. An irregular cluster of s...

Male newborn delivered at 28 weeks, neonatal respiratory distress syndrome, ABG shows decreased pH, decreased Po2 increased PCO2. A deficiency in which of the following most likely caused the disorder? A. Diacylglycerol B. Dipalmitoylphosphatidylcholine C. Phosphatidylserine D. Sphingomyelin E. Surfactant protein D - ANSWER-B. Dipalmitoylphosphatidylcholine Most important lecithin in pulmonary surfactant! so deficiency in it would lead to neonatal respiratory distress syndrome with gro...