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