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