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