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