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