Navigation » List of Schools » East Los Angeles College » Microbiology » Microbiology 020 – General Microbiology » Winter 2022 » Lecture Exam 2 (Ch 5, 6, 7, 8)
Below are the questions for the exam with the choices of answers:
Question #1
A Restrictionenzymes are used to replicate specific sequences of DNA.
B Restriction enzymesare used to join different segments of DNA.
C Restriction enzymes are used to purify DNA.
D Restrictionenzymes are used to cut DNA at specific locations.
E Restrictionenzymes are used to sequence long stretches of DNA.
Question #2
A True
B False
Question #3
A gene therapy
B metagenomics
C recombinant DNA technology
D synthetic biology
E CRISPR
Question #4
A one phosphate, one nitrogenous base, and one sugar
B one phosphate, two nitrogenous bases, and one sugar
C two phosphates, one nitrogenous base, and two sugars
D two phosphates, one nitrogenous base, and one sugar
E one phosphate, one nitrogenous base, and two sugars
Question #5
A proteotype
B proteome
C genotype
D phenotype
E genome
Question #6
A True
B False
Question #7
A True
B False
Question #8
A False
B True
Question #9
A False
B True
Question #10
A True
B False
Question #11
A Gelelectrophoresis joins different segments of DNA.
B Gelelectrophoresis separates DNA fragments based on size.
C Gelelectrophoresis is able to cut DNA in very specific locations.
D Gelelectrophoresis identifies specific segments of DNA.
E Gelelectrophoresis enables the amplification of specific DNA sequences.
Question #12
A False
B True
Question #13
A chromosomes in a nucleus
B elongated, not circular, chromosomes
C All of the choices are correct
D several to many chromosomes
E histone proteins
Question #14
A codon; DNA triplet
B gene; complement
C anticodon; codon
D codon; anticodon
Question #15
A medical insurance costs will likely skyrocket
B oil and gas prices will increase as a result of the decreased demand for fossil fuels
C mutations in manufactured cells will cause problems for existing organisms
D the ability to create life from scratch raises a multitude of issues
Question #16
A True
B False
Question #17
A design alternative forms of energy production
B make new organisms using only chemicals as the starting materials
C synthesize chemicals in cells that are missing due to a genetic anomaly
D All of the choices are possibilities from synthetic biology
E construct complex molecules in situ that will target cancerous cells in tissues
Question #18
A lagging; leading
B leading; lagging
C original; primary
D primary; secondary
Question #19
A Hydrogen ion (proton)
B Glucose
C ADP
D Carbon dioxide
E Carbon
Question #20
A All phasesproduce the same number of ATP molecules.
B Krebs cycle
C Electron transport
D Processing of pyruvic acid for the Krebs cycle
E Glycolysis
Question #21
A denitrification
B deamination
C aerobic respiration
D fermentation
E nitrification
Question #22
A gluconeogenesis
B phosphorylation
C deamination
D
E beta oxidation
F amination
Question #23
A metabolism
B anabolism
C biosynthesis
D catabolism
E amphibolism
Question #24
A they may or may not require cofactors
B they can be used over and over
C their active site is specific to the substrate
D All of the choices are true of enzymes.
E they increase the initial energy required for a reaction to start
Question #25
A 38 ATP
B 2 ATP
C 3 ATP
D 36 ATP
E 24 ATP
Question #26
A ligases
B oxidoreductases
C peptidases
D aminotransferases
E phosphotransferases
Question #27
A 38 ATP
B 3 ATP
C 42 ATP
D 2 ATP
E 24 ATP
Question #28
A NADH is formed
B Pyruvic acid accepts electrons from NADH
C CO2 is released
D Coenzyme A attaches to an acetyl group
Question #29
A Generates some ATP
B Involves glycolysis
C Utilizes an electron transport system
D Uses the same final electron acceptor as aerobic respiration
Question #30
A 4
B 5
C 3
D 2
E 6
Question #31
A the enzymes would be denatured
B the genes coding for the hydrolytic enzymes would be repressed
C the genes coding for the hydrolytic enzymes would be constitutive
D the genes coding for the hydrolytic enzymes would be induced
Question #32
A vitamins
B cofactors
C ATP
D coenzymes
E enzymes
Question #33
A only occur in heterotrophs
B include synthesis of large carbohydrates
C do not occur in anaerobic cellular respiration
D release energy
E occur when ADP binds to inorganic phosphate to form ATP
Question #34
A electron
B ATP
C None of the choices are correct.
D hydrogen andelectron
E hydrogen
Question #35
A low pH
B high temperature
C All of the choices are correct.
D low temperature
E high pH
Question #36
A microaerophile
B obligate aerobe
C obligate anaerobe
D facultative anaerobe
E aerotolerant anaerobe
Question #37
A minerals
B salts
C inorganic compounds
D water
E organic compounds
Question #38
A photosynthesis
B chemoheterotrophy
C photoautotrophy
D photoheterotrophy
E methanoheterophy
Question #39
A False
B True
Question #40
A psychrophiles
B capnophiles
C anaerobes
D facultative anaerobes
E mesophiles
Question #41
A H 2O
B NH 3
C Glucose
D CO 2
E CH 4
Question #42
A using light for energy production
B existing in a very narrow niche
C the ability to exist in a wide range of conditions
D using oxygen for metabolism
E using chemicals for energy production
Question #43
A catalase and oxidase
B superoxide dismutase and oxidase
C superoxide dismutase and catalase
D superoxide dismutase and hydrogen peroxidases
E catalase and hydrogen peroxidases
Question #44
A endocytosis
B active transport
C facilitated diffusion
D osmosis
E diffusion
Question #45
A mesophiles
B acidophiles
C halophiles
D psychrophiles
E thermophiles
Question #46
A size of the pores in the membrane
B the size of the cell
C substrate concentration
D osmotic pressure
E carrier proteins in the membrane
Question #47
A Simple diffusion and Bulk transport (phagocytosis, pinocytosis)
B Carrier-mediated active transport and Bulk transport (phagocytosis, pinocytosis)
C Facilitated diffusion and Carrier-mediated active transport
D Facilitated diffusion and Simple diffusion
Question #48
A iron
B magnesium
C zinc
D potassium
E calcium
Question #49
A cell membrane
B proteins in the periplasmic space
C nuclear membrane
D cell wall
E peptidoglycan layer
Question #50
A Nitrogen
B Carbon
C Oxygen
D Hydrogen
E Copper
Question #51
A Sodium chloride
B None of the choices are correct.
C Thioglycollate
D Sulfite polymyxin sulfadiazine
E Blood agar
Question #52
A pinocytosis
B exocytosis
C facilitated diffusion
D phagocytosis
E facilitated transport
Question #53
A latent state of herpes infections
B viral genome inserting into bacterial host chromosome
C None of the choices are correct
D virion exiting host cell
E altering the host range of a virus
Question #54
A All of the choices are correct
B Single-stranded RNA
C Single-stranded DNA
D Double-stranded DNA
E Double-stranded RNA
Question #55
A oncoviruses
B chronic latent viruses
C cytopathic
D syncytia
E inclusion bodies
Question #56
A All of the choices are correct
B age of the host cell
C size of the host cell
D type of nucleic acid in the virus
E type of host cell receptors on cell membrane
Question #57
A Replicated with host DNA and passed on to progeny
B Present when the virus is in lysogeny
C Occur when temperate phages enter host cells
D Formed when viral DNA enters the bacterial chromosome
E Cause lysis of host cells
Question #58
A oncogenic viruses
B viroids
C spikes
D prions
E phages
Question #59
A prions
B viroids
C satellite viruses
D bacteriophages
E All of thechoices infect bacteria.
Question #60
A receptacles
B uncoating
C virions
D tropisms
E ranges
Question #61
A viroids
B latent
C delta agents
D prions
E oncogenic
Question #62
A must synthesize a negative RNA copy of its genome
B is ready for immediate translation
C is a special form of tRNA used by viruses
D must synthesize a positive RNA copy of its genome
E always codes for RNA polymerase
Question #63
A Tetrahedral
B Icosahedron
C Helical
D All of thechoices are capsid shapes.
E Complex
Question #64
A penetration
B uncoating
C adsorption
D synthesis
E assembly
Question #65
A spike
B capsid
C envelope
D capsomere
E monolayer
Question #66
A Use of enriched broth media,
Use of enrichedagar media,
Inoculation ofembryonated eggs
B Inoculation ofembryonated eggs,
Use of animalinoculation,
Use of cellculture techniques
C Use of enriched broth media
Use of cellculture techniques
Use of enrichedagar media
D Use of animalinoculation
Use of enriched broth media
Use of enrichedagar media
Question #67
A host nucleus
B host nucleolus
C host cell membrane
D host cytoplasm
E host DNA
Question #68
A To produce virusfor bioweapons use
To produce chemicals such as alcohol and acetone
To isolate viruses from clinical specimens
B To produce virusfor bioweapons use
To prepare viruses for vaccines
To produce chemicals such as alcohol and acetone
C To isolate viruses from clinical specimens
To research the biology of viruses
To prepare viruses for vaccines
D To research the biology of viruses
To produce virusfor bioweapons use
To produce chemicals such as alcohol and acetone
Question #69
A does not contain spikes
B is only composed of host endomembrane
C None of the choices are correct
D is obtained by viral budding or exocytosis
E is identical to the host plasma membrane
Question #70
A syncytia
B oncoviruses
C chronic latent viruses
D inclusion bodies
E cytopathic
Question #71
A All of thechoices will support viral cultivation.
B Primary cell cultures
C Embryonated bird eggs
D Live lab animals
E Continuous cell cultures