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MMBIO 221 Exam 1 (Ch 1-6) Questions with Complete Solutions
Carolus Linnaeus Correct Answer-system for naming plants and animals and grouping similar organisms together Carl Woese Correct Answer-o 3 Domains: Eukaryotes, Bacteria, Archaea o started sequencing rRNA, saw that 16S RNA has to be highly conserved, found that there are 3 domains of life o the phylogenetic tree is based on Woese's rRNA analysis Antoni van Leeuwenhoek Correct Answer-o made and looked through microscopes o Father of Microscopy Aristotle Correct Answer-spontaneous gene...
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BYU MMBIO 222 Final Questions with Complete Solutions
What is the lower limit of resolution with the light microscope? Correct Answer-.2µm Define Parfocal: Correct Answer-A slide in focus will still be in focus to nearly in focus on a different objective. The magnification of the oil immersion objective is: Correct Answer-100x The total magnification of the oil immersion is: Correct Answer-1000x, Product of the magnification of the ocular (10x) and the objective lens (100x). Resolving power: Correct Answer-Ability of a microscope to di...
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MMBIO 222 Quiz 1 Questions with Complete Solutions
Antonie van Leeuwenhoek Correct Answer--Invented the microscope -Dutch linen merchant, and microbiologist -Discovered the microbial world, coined the term animacules -Constructed over 250 small, powerful microscopes that could magnify up to 300 times -Known as the father of bacteriology and protozoology Resolving Power Correct Answer-Ability of a microscope to differentiate two closely spaced objects as being distinct from one another The light microscope can distinguish two points that ...
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Chapter 16 MMBIO 221 Questions with Complete Solutions
Lymphnodes Correct Answer-House leukocytes that recognize and attack foreign antigens present in the lymph B Lymphocytes Correct Answer-Arise and mature in bone marrow Differentiation into plasma cells which secrete antibodies BCR Correct Answer-Antibody that remains associated with the cytoplasmic membrane Each B lymphocyte has multiple copies of a single type of BCR BCR function Correct Answer-Antigen binding site is identical to that of the secreted antibody for that particular...
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MMBIO 241 Questions with Complete Solutions
Your lab manual asks you to pipette 80 ul of solution to a sample. Which micropipette would be most appropriate to use? Correct Answer-200 ul You are asked to add 2 ml of dye to 8 ml of water. What is the dilution factor of the new solution? Correct Answer-2+8 = 10 ml total 2:10 reduced to 1:5 5 ml is the new dilution factor Which of the following are safety precautions to be taken when using a microcentrifuge? Correct Answer--For centrifuges with lids, always secure the lid tightly ...
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MMBIO 222 -- Quiz 1 questions with Complete Solutions
Antonie Van Leeuwenhoek Correct Answer-Dutch merchant, microbiologist. Discovered the microbial world. Called microbes, "animacules". Constructed over 250 microscopes that could magnify up to 300 times. Condenser Correct Answer-Focuses light through specimen. Iris diaphragm Correct Answer-Controls the amount of light entering the condenser. Resolving Power Correct Answer--Ability of a microscope to differentiate two closely spaced objects as being distinct from one another. -Can dist...
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MMBIO 222 Quizzes 1-5 Questions with Complete Solutions
A microscope can differentiate two closely spaced objects___apart as being distinct from one another Correct Answer-.2um Shorter working distance= ____magnification Correct Answer-Higher T/F Some of the normal flora present on our skin are opportunistic pathogens Correct Answer-True What is a fomite? Correct Answer-An inanimate object that can harbor microorganisms Asepsis Correct Answer-A condition free of viable microorganisms In order to sterilize glassware and moisture sensiti...
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MMBIO 222 Questions with Complete Solutions
The ____ of microorganisms are non pathogenic and ____ cause disease Correct Answer-Majority Does not Working distance becomes _______ as the magnification of the objective lens _______ Correct Answer-Shorter, increases What is the wavelength of light in a bright field microscope? Correct Answer-500nm You swab your phone and nothing grew a week later. What could BEST explain this? Correct Answer-The agar plate did not have the correct recipe of nutrients You inolcultated a loop ful...
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MMBIO 221 OLD Questions with Complete Solutions
Structural part of the cell wall of most bacteria. Composed of polysaccharide chains containing repeat units of N-acetylmuramic acid and N-acetylglucosamine, cross-linked by short chains of amino acids. Correct Answer-Peptidoglycan Found only in the outer membrane of gram-negative cells; lipid A is the active component; they are also called endotoxin. Correct Answer-Lipopolysacharides This gelatinous, sticky substance is usually composed of polysaccharides or proteins that surround the out...
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MMBIO 151 Exam 1 Questions with Complete Solutions
Aristotle Correct Answer-Life can arise from nonliving matter, if that matter contained pneuma (vital heat). Van Helmont Correct Answer-Mice could arise from rags and wheat kernels left in an open container for 3 weeks. Other than that observation he was a remarkable scientist and the founder of pneumatic chemistry. Francesco Redi Correct Answer-One of the first experiments to refute spontaneous generation. Flies do not spontaneously generate from raw meat. John Needham Correct Answer...
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MMBIO 222 quiz #3 Questions with Complete Solutions
true motility Correct Answer-directed motion of bacteria (energy expenditure by the cell) brownian movement Correct Answer-random back-and-forth jiggling motion due to collisions of water molecules with the cells (cells don't go anywhere)... results from kinetic energy of molecules around the cell flagella Correct Answer-long, whip-like structures that extend beyond the surface of the cell and glycocalyx and propel the cell through its environment. Composed of flagellin serovars Correc...
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MMBIO 222 Quiz 1 Questions with Complete Solutions
Antonie van Leeuwenhoek Correct Answer--Invented the microscope -Dutch linen merchant, and microbiologist -Discovered the microbial world, coined the term animacules -Constructed over 250 small, powerful microscopes that could magnify up to 300 times -Known as the father of bacteriology and protozoology Resolving Power Correct Answer-Ability of a microscope to differentiate two closely spaced objects as being distinct from one another The light microscope can distinguish two points that ...
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MMBIO 121 O'neill BYU Midterm #2 Questions with Complete Solutions
Glycolysis Correct Answer-breakdown of glucose and modest amount of energy is released location of glycolysis Correct Answer-cytoplasm gained/lost by glycolysis Correct Answer-2 pyruvates are converted into acetyl-CoA, 2 ATP, 2 NADH location of acetyl-CoA synthesis Correct Answer-mitochondrial matrix gained/lost by acetyl-CoA synthesis Correct Answer-2 pyruvate, 2 NADH, loses 1 CO2 per glucose molecule location of Krebs Correct Answer-mitochondrial matrix gained and lost by Kre...
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MMBIO 222: Quiz 2 with Complete Solutions
Simple stain Correct Answer-Staining bacteria with a single dye. Does not differentiate. Shows morphology and arrangement. Two results of heat fixation Correct Answer-1. Kills the bacteria 2. Attaches it to the slide What is a dye? Correct Answer-A salt of a chromophore group and an oppositely charged ion. Most often it is a basic dye. Examples of dyes Correct Answer-Crystal violet, safranin, methylene blue, and carbolfuchsin What is a capsule? Correct Answer-A gelatinous covering a...
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MMBIO 221 - BYU Robison Questions with Complete Solutions
What is a semiautonomous organelle? Correct Answer-organelle with DNA which two organelles are semiautonomous? Correct Answer-mitochondria & chloroplasts what is the endosymbiotic theory? Correct Answer-explains how eukaryotic cells may have evolved from prokaryotic cells what are terms associated with bacterial flagellum? Correct Answer-filament, hook, rod, and rings what type of cell has the most peptidoglycan? Correct Answer-Gram + what is the structural part of the cell wall w...
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Gastrointestinal Disease Quiz MMBIO 221 Questions with Complete Solutions
Gastrointestinal Disease Quiz MMBIO 221 Questions with Complete Solutions
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MMBIO 151 Exam 1 Questions with Complete Solutions
MMBIO 151 Exam 1 Questions with Complete Solutions
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MMBIO 221 Antibiotics Questions with Complete Solutions
MMBIO 221 Antibiotics Questions with Complete Solutions
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MMBIO 221 Bacteria/Viruses Questions with Complete Solutions
MMBIO 221 Bacteria/Viruses Questions with Complete Solutions
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MMBIO 221 Breakwell Disease Quiz 4 Respiratory Questions with complete Solutions
MMBIO 221 Breakwell Disease Quiz 4 Respiratory Questions with complete Solutions
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