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