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