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