Porins Study guides, Class notes & Summaries

DAT Biology Final Exam Study Set 2024/2025 with Verified Q&A Carotenoids - CORRECT ANSWER-lipid derivatives, produce pigments in plants and animals , An accessory pigment, either yellow or orange, in the chloroplasts of plants. By absorbing wavelengths of light that chlorophyll cannot, carotenoids broaden the spectrum of colors that can drive photosynthesis. Porphyrins - CORRECT ANSWER-lipid derivatives, a group of light-sensitive, pigmented, ringed chemical structures that are requi...

MIC 102 Final Exam Questions with Correct Answers What are the different types of microscopy and staining and when are they used? - Answer-Types of microscopy include: light microscopy- used primarily to get an idea of the form of the bacteria, used in combination with staining to get an idea of Gram positive and Gram negative protein. Green fluorescent is used to observe cell occurrences like binary fission and movement of proteins. Electron microscopy is very detailed at getting an idea of w...

Microbiology Practical Exam Questions with 100% Correct Answers | Verified | Updated Which of the following is NOT associated with the work of Paul Ehrlich? sulfanilamide the concept of the "magic bullet" arsenic compounds the concept of chemotherapy - answersulfanilamide Paul Ehrlich's idea of the "magic bullet" was the first step in the field of chemotherapy and resulted in the use of arsenic compounds in the treatment of syphilis. Sulfanilamide was the discovery of Gerhard Domag...

VBS 2032 Exam 1 practice 45 Questions with Verified Answers Ribosomes are composed of: A. many proteins B. proteins and DNA C. proteins and RNA D. carbohydrates and RNA - CORRECT ANSWER C. proteins and RNA This group of bacteria moves using internal flagella called axial filaments. A. Streptococcus B. Staphylococcus C. Streptomyces sp. D. spirochetes - CORRECT ANSWER D. spirochetes A mycoses would most likely be treated with: A. rest and fluids B. an antibacterial dru...

PCN and Cephalosporins questions with correct answers

Describe the three methods by which small molecules are moved across the outer membrane. Would this apply to gram negative or positive cells? - 1. Transporter proteins in Outer Membrane (G-); Porins (facilitated or passive) 2. Across the peptidoglycan (G+ and G-) 3. Transport across the cell/cytoplasmic membrane (G+ and G-) Compare and contrast ion-coupled transport and ABC transport at the cytoplasmic membrane - Ion-coupled transport: -transporters in cytoplasmic membrane -require E (io...

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EXPLORED PHARMACOLOGY CHAPTER 52: ANTIDIABETICS NURSING SCHOOL TEST BANKS, PHARM ANTIINFLAMMATORIES, PHARM ANTI-TUBERCULAR DRUGS, PHARM CHAPTER 26A - PENICILLINS AND CEPHALOSPORINS, PHARM DERMATOLOGICAL DISORDERS, PHARMACOLOGY CHAPTER 30: MACROLIDES, 1. The nurse is teaching a group of nursing students about diabetes. The nurse explains that which type of diabetes is the most common? a. Type 1 diabetes mellitus b. Type 2 diabetes mellitus c. Diabetes insipidus d. Secondary diabetes - ...

A virus has been discovered. The virus has no envelope and consists of a helical capsid surrounding its dsDNA genome. During assembly, the pac site of the genome ensures that it is properly packaged by the capsomeres. Which of the following amino acids is/are expected to be on the capsomere domain that interacts with the pac site? A. lysine B. methionine C. glycine D. arginine E. A and D Answer: A and D Explanation: DNA has a negative charge, so positively charged amino acids, such as...

USMLE Step 1 First Aid – Microbiology with complete solution Cell Wall Overall Picture - Compare *Gram (+) to Gram (-)* - answer *Flagellum* on bacteria is composed of what? What is the function? - answerComposition: Proteins Function: motility *Pilus/Fimbria* on bacteria is composed of what? What is the function? - answerComposition: Glycoprotein Function: Mediate adherence of bacteria to cell surface, sex plus during conjugation. *Spore* formation is ONLY possible is what type of b...