Aerobic bacteria - Study guides, Class notes & Summaries

What bacteria inhabit extreme environments? correct answers often archaebacteria, or "ancient" bacteria How does archaebacteria differ from eubacteria or "true" bacteria? correct answers they differ in cell wall and cell membrane composition, ribosome composition and shape, tRNA structure and RNA polymerase sequences What are thermophiles? correct answers bacteria that inhabit environments with elevated temperatures What are hyper or super thermophiles? correct answers bacteria that...

Chapter 01: Cellular Biology MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus; thus, the nucleus should be observed. A single circular chromosome ca...

Nursing 3100 - Unit 4 with Complete Solutions Pathogenicity ability to cause disease virulence degree of pathogenicity invasiveness ability of a bacterial pathogen to rapidly spread through tissue and cause destruction to surrounding tissue exotoxins Proteins *ex*creted by bacteria with power to inactivate or kill host cells endotoxins chemical components of the cell walls of certain bacteria At bacterial death, *endotoxins are released* causing inflammation, fever, chills ...

CIBTAC AND CIDESCO EXAMS CONDENSED QUESTIONS AND ANSWER GRADED A+ IMMUNITY - Protection against certain diseases - Inborn or acquired - Natural: exposure, forms antibodies to fight off and prevent reinfection - Artificial: Deliberate vaccination, antibodies formed, immunity built up TOXIN - Poison of complex chemical substances Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen PUS - Contains blood a...

Test Bank for Essential Cell Biology 5th Edition Alberts Hopkin ESSENTIAL CELL BIOLOGY, 5th EDITION CHAPTER 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE Unity and Diversity of Cells 1-1 Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that there are between 10 million and 100 million different species. Despite this wide variety of organisms, it remains difficult to define what it means to say something is alive. Which of the following can be desc...

CHAPTER 3—ECOSYSTEMS: WHAT ARE THEY AND HOW DO THEY WORK? MULTIPLE CHOICE 1. Scientists estimate that tropical rain forests contain up to half of the earth’s land plants and animal species. What percentage of the world’s land surface do tropical rain forests cover? a. 2 b. 4 c. 8 d. 10 e. 12 ANS: A PTS: 1 TOP: 3-0 Core Case Study: Tropical Rain Forests Are Disappearing KEY: Bloom's: Remember NOT: New 2. The disappearance of the tropical rain forests is an import...

Microbiology Exam 2 chapters 6, 7, 8, and 9 2023 Microbial Growth - Answer-The increase in numbers of microbes resulting in a discrete colony Heterotrophy - Answer-Eat food. They acquire carbon from organic molecules Autotrophy - Answer-Make food. They make carbon from inorganic CO2 Obligate anaerobe - Answer-Oxygen is deadly to them. They lack the enzyme to neutralize oxygen. Obligate aerobe - Answer-They require oxygen for survival Facultative anaerobe - Answer-Can grow with or with...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

incubation Period Correct Answer-interval between initial infection and first signs and symptoms prodromal stage Correct Answer-person is most infectious, vague and nonspecific signs of disease full stage of illness Correct Answer-presence of specific signs and symptoms of disease Convalescent Period Correct Answer-recovery from the infection acute inflammation Correct Answer-1st line of reaction, vascular and cellular stage Signs of inflammation Correct Answer-redness, heat, swel...

BIOD 101 PORTAGE LEARNING MODULE 6 EXAM WITH BEST SOLUTIONS What is the nucleoid region used for? - To store genetic information in prokaryotes True or false: If false, make it true. The nucleoid region is bound by a membrane and does not contain bacterial chromosomes and DNA? - False The nucleoid region is NOT bound by a membrane and DOES contain bacterial chromosomes and DNA. Bacterial chromosomes are in what shape? - Circle Define plasmids - Small, circular region of DNA. How ...