Exam (elaborations)
Microbiology Unit 1 Exam Questions and Answers 2024
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Microbiology Unit 1 Exam
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Microbiology Unit 1 ExamPEPTIDOGLYCAN - answer Polysaccharide composed of chains of two alternating
sugars and cross bridges of amino acids
GRAM + CELL WALL - answer Composed of 90% Peptidoglycan and Teichoic Acids
that anchor wall to cytoplasmic membrane, Simplex Structure
GRAM - CELL WALL - answer Composed of 10% Peptidoglycan and phospholipids,
proteins, and lipopolysaccharide, Complex Structure
PROKARYOTES - answer Lack nucleus & organelles, simple structure
EUKARYOTES - answer Have nucleus & membrane bound organelles, complex
structure
PURPLE - answer What color do Gram + cell walls stain?
PINK - answerWhat color does Gram - walls stain?
INSIDE CELL HOST - answerHow do viruses multipy?
EDWARD JENNER - answerHe introduced technique of vaccinations
BASAL BODY - answerAnchor's filament & hook to cell wall
FILAMENT - answerLong, whiplike portion of Flagella
FUNGI - answerMulticellular eukaryotes that obtain nutriention from absorbing organic
material from their environment
BACTERIA CELL WALL - answerPeptidoglycan is the molecule in most of these
MYCOLIC ACID - answerWaxy substance on mycobacterium that makes them hard to
treat
RESPONSE TO STIMULI - answerWhat makes flagella run and tumble
BACILLI - answerRod shaped bacterium cells
COCCUS - answerSpherical shaped cells
, ARCHAEA - answerProkaryotes found in extreme conditions,don't have peptidoglycan
cell walls, & don't cause disease
PROTOZOA - answerMovement caused by Cilia, Pseuodopods, or Flagella
BIOREMEDIATION - answerMicrobes used to remove environment pollutants
BRIGHT-FIELD MICROSCOPE - answerBackground is Light, Specimen is Clear;
1000X
DARK-FIELD MICROSCOPE - answerBackground is Dark, Specimen is Light
TRANSMISSION ELECTRON MICROSCOPE - answerDetailed images of speciman's
internal; 100,000X
SCANNING ELECTRON MICROSCOPE - answerDetailed images of speciman's
surface; 100,000X
SCANNING TUNNELING "PROBE" MICROSCOPE - answerSurface detail in fine
detail; 100 million X
ATOMIC FORCE PROBE MICROSCOPE - answerMakes Atoms & Molecules visible
inside, most common probe, 100 million X
DIFFERENTIAL (NOMARKSKI) MICROSCOPE - answerImage appears in 3D
PHASE CONTRAST MICROSCOPE - answerSpeciman has light & dark areas
CONFOCAL MICROSCOPE - answerUse Fluorescent dyes, Computer constructs
digital image
FLUORESCENT MICROSCOPE - answerBright colored structures against dark
background
GENETIC MATERIAL - answerWhat does the nucleus contain in an Eukaryotes
FOUR CHARACTERISTICS OF LIFE - answerResponsiveness, Reproduction,
Metabolism, Growth
ALGAE - answerWhich organism contains both unicellular & multicellular organisms that
use photosynthesis
TAXONOMIC SYSTEM - answerSystem for naming plants and animals; groups similar
organisms together
TYPES OF PROKARYOTIC CELLS - answerBacteria & Archaea
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