Navigation » List of Schools » East Los Angeles College » Microbiology » Microbiology 020 – General Microbiology » Fall 2021 » Exam 2
Below are the questions for the exam with the choices of answers:
Question #1
A hydrophobic molecules
B repeating monomers
C hydrogen bonds
D repeating carbohydrates
E electrolytic molecules
Question #2
A None of the choices are correct.
B Cilia
C filaments
D flagella
E microtubules
Question #3
A attachment and protection
B energy reactions and synthesis
C attachment and motility
D protection and motility
E motility and slime production
Question #4
A None of the choices are correct.
B peptidase
C All of the choices are correct.
D penicillinase
E Lysozyme
Question #5
A Protozoan cysts are the active, growing stage of the organism.
B Protozoan cysts are necessary for the infection of intermediate hosts while the trophozoites are the stage that infects definitive hosts.
C Protozoan cysts are a survival form that allows them to survive adverse environmental conditions between hosts.
D Protozoan cysts are a reproductive stage.
Question #6
A pores
B inclusions
C endoplasmic reticulum
D chromatin
E histones
Question #7
A electron
B bright field
C dark field
D fluorescence
E phase contrast
Question #8
A Is digested by most microbes
B Has flexibility
C Is solid at room temperature
D Holds moisture
E Can be inoculated and poured at a temperature that is not harmful
Question #9
A phospholipids
B Triglycerides
C waxes
D steroids
E prostaglandins
Question #10
A Heterotroph – synthesize organic nutrients using light energy and CO2
B Saprobe – obtain nutrients from the remains of dead plants and animals
C Parasite – obtain nutrients from a living organism to the detriment of that organism
Question #11
A amino acids
B nucleic acids
C polysaccharides
D enzymes
E carbohydrates
Question #12
A It is a specific cell wall lipid
B It is involved in typhoid fever and some meningitis cases
C It is found in acid-fast bacterial cell walls
D It can stimulate fever in the human body
E It can cause septic shock in the human body
Question #13
A a spheroplast
B found in archaea
C gram-negative
D acid fast
E gram-positive
Question #14
A phosphate, glycerol, and fatty acids
B monosaccharides
C nucleotides
D glycerol and fatty acids
E amino acids
Question #15
A move in response to light
B move in response to a chemical
C not move in response to a chemical
D None of the choices is correct.
E transport desired molecules into cells
Question #16
A phosphorous
B carbon
C hydrogen
D nitrogen
E oxygen
Question #17
A mold
B fungus
C algae
D euglena
E green plant
Question #18
A mastigophora
B apicomplexa/sporozoa
C None of the choices are correct.
D amoeba/sarcodina
E ciliophora
Question #19
A Vibrio
B Coccus
C Spirochete
D Tetrad
E Rod
Question #20
A Store the genetic information of the cell
B Provide cell with energy through cell respiration
C Contain hydrolytic enzymes to digest macromolecules
D Assemble amino acids into polypeptides
E Control the transport of materials into and out of the cell
Question #21
A kill them
B secure them to the slide
C see motility
D add contrast in order to see them better
E enlarge the cells
Question #22
A simple
B flagellar
C capsule
D differential
E acid-fast or Ziehl-Neelson
Question #23
A incubator
B streak
C colony
D inoculum
E loop
Question #24
A Cause human disease
B Lack cell structure
C Contain genetic material
D Cannot be seen without a microscope
E Lack a nucleus
Question #25
A bacteria
B prokaryotes
C archaea
D None of the choices are correct.
E the last common ancestor
Question #26
A synthetic
B enriched
C minimal
D complex
E reducing
Question #27
A positive chemotaxis
B negative phototaxis
C negative chemotaxis
D a tumble
E positive phototaxis
Question #28
A A pre-eukaryotic cell was infected by a prokaryote, and symbiosis between the two cell types gave rise to the modern-day eukaryotic cell
B A DNA virus, a bacteria and a photosynthetic prokaryote fused to form a nucleus, a chloroplast and a mitochondria
C A photosynthetic bacterial cell and an aerobic bacterial cell fused to become a larger, eukaryotic cell
D A eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger cell
Question #29
A None of the choices are correct.
B yeasts and molds
C algae and protozoa
D All of the choices are correct.
E helminths
Question #30
A All of the choices are correct.
B Mitochondria
C Endoplasmic reticulum
D Nucleus
E Lysosomes
Question #31
A envelope
B None of the choices is correct.
C pathogenic package
D glycocalyx
E slime coat
Question #32
A Have cell walls
B Include single-celled and filamentous forms
C Photosynthetic
D Heterotrophic nutrition
E Can use a wide variety of nutrients
Question #33
A nucleosome
B nucleolus
C nuclear envelope
D chromatin
E nucleoplasm
Question #34
A infection
B isolation
C contamination
D immunization
E Inoculation
Question #35
A parasitic worms
B infectious particles
C molds
D bacteria
E protozoa
Question #36
A All of the choices are correct.
B None of the choices are correct.
C Streak plate
D Pour plate
E Spread plate
Question #37
A chloroplasts
B lysosomes
C mitochondria
D endoplasmic reticulum
E Golgi apparatus
Question #38
A Swab
B Loop
C Pipette
D Petri dish
E Needle
Question #39
A mycoplasmas
B archaea
C gram-negative organisms
D gram-positive organisms
E cyanobacteria
Question #40
A polyunsaturated
B unsaturated
C monounsaturated
D saturated
E None of the choices are correct.
Question #41
A flagella
B cilia
C fimbriae
D periplasmic flagella (axial filaments)
E sex pili
Question #42
A Reception of chemical signals
B Movement
C All of the choices are functions.
D Adherence
E Protection
Question #43
A All of the choices are correct.
B Alcohol
C Phosphate
D Fatty acids
E Glycerol
Question #44
A Nucleus
B DNA
C Ribosomes
D Cytoplasmic membrane
Question #45
A cristae
B electron transport chain proteins
C enzymes for photosynthesis
D 70S ribosomes (prokaryote)
E enzymes for metabolism
Question #46
A The microbiologist used too much inoculum.
B The culture medium must be selective.
C The culture is contaminated.
D The culture medium must be differential.
E The incubation temperature was incorrect.
Question #47
A nucleus; endoplasmic reticulum
B nucleus; Golgi apparatus
C cytoplasm; Golgi apparatus
D cytoplasm; endoplasmic reticulum
Question #48
A capsules
B inclusions
C slime layers
D cell membranes
E cell walls
Question #49
A ribosomes
B cell membrane
C inclusions
D cell wall
E mitochondria
Question #50
A stage
B condenser
C nosepiece
D ocular
E objective