Bio 22 Study guides, Class notes & Summaries

Factors that limit population size - correct answer disease, war, famine, migration, high infant mortality, cultural factors (late marriage) etc. Carrying Capacity - correct answer number of organisms in a given species that can be supported indefinitely Malthus - correct answer Wrote "An Essay on the Principle of Population" 1798 -predicts population (exponential growth) will outgrow food supply (steady growth)--environmental degradation Demography - correct answer -The scient...

Test Bank for Biology: How Life Works 4e 4th Edition by James Morris, Daniel Hartl; Andrew Knoll; Robert Lue. Full Chapters test bank are included Chapter 1 to 48 Part 1 From Cells to Organisms Chapter 1 Chemical, Cellular, and Evolutionary Foundations of Life Case 1 Life’s Origin: Homeostasis, Information, and Energy Chapter 2 Molecules of Life Chapter 3 Cells, Membranes, and Homeostasis Chapter 4 Nucleic Acids and Information Flow Chapter 5 Protein Structure, Function, and Synth...

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

Virulence: mycolic acid in cell wall causes slow growth, protection from lysis once bacteria are phagocytized, capacity for intracellular growth, resistance to Gram-staining, detergents, many antimicrobial drugs, and dessication - Answer-Mycobacterium Tuberculosis Unique properties: grows very slowly, can live within macrophages, tuberculin skin test--positive when red swelling appears, BCG vaccine is used in countries w/ lots of TB cases, effective on 80% of children and 20-50% of adults, ...

Virulence: mycolic acid in cell wall causes slow growth, protection from lysis once bacteria are phagocytized, capacity for intracellular growth, resistance to Gram-staining, detergents, many antimicrobial drugs, and dessication - Mycobacterium Tuberculosis Unique properties: grows very slowly, can live within macrophages, tuberculin skin test--positive when red swelling appears, BCG vaccine is used in countries w/ lots of TB cases, effective on 80% of children and 20-50% of adults, cord fact...

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 livin...

A source of pollution dealing with widespread sources is an example of: - Nonpoint sources What is needed to have a sustainable ecosystem? - Biotic and abiotic factors Which is the correct order for the scientific method? - Observe, ask a question, create a hypothesis, conduct the experiment and collect the data, interpret the results, and report the results.

BIO 121 Module 1 Exam Questions With Answers | Score 100/100 2023- 2024. Nutritional value and taste are often the 2 most important reasons specific foods are consumed in North America. False, its taste and texture which are 2 most important reasons. False: Taste and texture are often the 2 most important reasons specific foods are consumed in North America. Question 2 4 / 4 pts Multiple Choice: Nutrition is the science that links foods to _____ and ______. health; nutritional value w...

Bio 2200 Midterm 2 Latest Update Graded A+ Regular logistic growth Goes up exponentially then plateaus Niche The range of abiotic and biotic conditions an organism can tolerate/handle Fundamental niche the range of abiotic conditions under which a species can persist Realized niche the range of abiotic and biotic conditions under which the species can persist fundamental/realized niche of american chestnut -Fundamental niche: Is climatic and soil conditions throughout eastern ...

Objective of oil immersion lens Correct Answer-100X Resolving power becomes _____ as magnification of the objective lens _______ Correct Answer-Greater, increases The light microscope can distinguish two points that are at least _____ um apart Correct Answer-0.2 What is used to sterilize heat sensitive liquids? Correct Answer-Filtration The streak plate technique uses spatial dilution (Increases the space b/t organisms) to create Correct Answer-pure colonies The component of MacCo...