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