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