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 repeating monomers
B hydrogen bonds
C repeating carbohydrates
D electrolytic molecules
E hydrophobic molecules
Question #2
A filaments
B flagella
C None of the choices are correct.
D microtubules
E Cilia
Question #3
A motility and slime production
B attachment and motility
C energy reactions and synthesis
D protection and motility
E attachment and protection
Question #4
A All of the choices are correct.
B peptidase
C penicillinase
D None of the choices are correct.
E Lysozyme
Question #5
A Protozoan cysts are a reproductive stage.
B Protozoan cysts are necessary for the infection of intermediate hosts while the trophozoites are the stage that infects definitive hosts.
C Protozoan cysts are the active, growing stage of the organism.
D Protozoan cysts are a survival form that allows them to survive adverse environmental conditions between hosts.
Question #6
A chromatin
B histones
C pores
D endoplasmic reticulum
E inclusions
Question #7
A phase contrast
B dark field
C fluorescence
D electron
E bright field
Question #8
A Is solid at room temperature
B Holds moisture
C Has flexibility
D Is digested by most microbes
E Can be inoculated and poured at a temperature that is not harmful
Question #9
A phospholipids
B waxes
C steroids
D prostaglandins
E Triglycerides
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 carbohydrates
B polysaccharides
C amino acids
D nucleic acids
E enzymes
Question #12
A It is found in acid-fast bacterial cell walls
B It can cause septic shock in the human body
C It is involved in typhoid fever and some meningitis cases
D It is a specific cell wall lipid
E It can stimulate fever in the human body
Question #13
A gram-positive
B gram-negative
C found in archaea
D acid fast
E a spheroplast
Question #14
A phosphate, glycerol, and fatty acids
B amino acids
C nucleotides
D glycerol and fatty acids
E monosaccharides
Question #15
A move in response to a chemical
B transport desired molecules into cells
C None of the choices is correct.
D move in response to light
E not move in response to a chemical
Question #16
A phosphorous
B carbon
C oxygen
D nitrogen
E hydrogen
Question #17
A green plant
B euglena
C mold
D fungus
E algae
Question #18
A None of the choices are correct.
B amoeba/sarcodina
C mastigophora
D ciliophora
E apicomplexa/sporozoa
Question #19
A Coccus
B Vibrio
C Spirochete
D Tetrad
E Rod
Question #20
A Control the transport of materials into and out of the cell
B Store the genetic information of the cell
C Contain hydrolytic enzymes to digest macromolecules
D Provide cell with energy through cell respiration
E Assemble amino acids into polypeptides
Question #21
A enlarge the cells
B see motility
C kill them
D secure them to the slide
E add contrast in order to see them better
Question #22
A capsule
B differential
C flagellar
D acid-fast or Ziehl-Neelson
E simple
Question #23
A incubator
B colony
C loop
D inoculum
E streak
Question #24
A Contain genetic material
B Lack a nucleus
C Lack cell structure
D Cause human disease
E Cannot be seen without a microscope
Question #25
A archaea
B the last common ancestor
C None of the choices are correct.
D prokaryotes
E bacteria
Question #26
A synthetic
B reducing
C complex
D minimal
E enriched
Question #27
A positive chemotaxis
B a tumble
C negative phototaxis
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 eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger cell
C A pre-eukaryotic cell was infected by a prokaryote, and symbiosis between the two cell types gave rise to the modern-day eukaryotic cell
D A DNA virus, a bacteria and a photosynthetic prokaryote fused to form a nucleus, a chloroplast and a mitochondria
Question #29
A helminths
B algae and protozoa
C yeasts and molds
D All of the choices are correct.
E None of the choices are correct.
Question #30
A Mitochondria
B All of the choices are correct.
C Lysosomes
D Endoplasmic reticulum
E Nucleus
Question #31
A slime coat
B envelope
C None of the choices is correct.
D glycocalyx
E pathogenic package
Question #32
A Heterotrophic nutrition
B Have cell walls
C Include single-celled and filamentous forms
D Photosynthetic
E Can use a wide variety of nutrients
Question #33
A nuclear envelope
B nucleoplasm
C nucleolus
D chromatin
E nucleosome
Question #34
A Inoculation
B immunization
C contamination
D infection
E isolation
Question #35
A bacteria
B molds
C parasitic worms
D protozoa
E infectious particles
Question #36
A Spread plate
B Pour plate
C All of the choices are correct.
D None of the choices are correct.
E Streak plate
Question #37
A endoplasmic reticulum
B lysosomes
C chloroplasts
D Golgi apparatus
E mitochondria
Question #38
A Petri dish
B Pipette
C Needle
D Swab
E Loop
Question #39
A cyanobacteria
B gram-positive organisms
C gram-negative organisms
D archaea
E mycoplasmas
Question #40
A monounsaturated
B None of the choices are correct.
C unsaturated
D saturated
E polyunsaturated
Question #41
A fimbriae
B flagella
C periplasmic flagella (axial filaments)
D sex pili
E cilia
Question #42
A Adherence
B Reception of chemical signals
C Movement
D Protection
E All of the choices are functions.
Question #43
A Glycerol
B Alcohol
C Fatty acids
D All of the choices are correct.
E Phosphate
Question #44
A Ribosomes
B DNA
C Cytoplasmic membrane
D Nucleus
Question #45
A electron transport chain proteins
B enzymes for metabolism
C 70S ribosomes (prokaryote)
D enzymes for photosynthesis
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 cytoplasm; Golgi apparatus
B cytoplasm; endoplasmic reticulum
C nucleus; Golgi apparatus
D nucleus; endoplasmic reticulum
Question #48
A cell membranes
B capsules
C inclusions
D cell walls
E slime layers
Question #49
A mitochondria
B ribosomes
C inclusions
D cell membrane
E cell wall
Question #50
A condenser
B nosepiece
C stage
D objective
E ocular