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