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Micro Practice Test #1
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Questions in this quiz (13)
1Which of the following statements is not true about 12C6?
- AIt has 12 neutrons in its nucleus
- BIts atomic weight is 12
- CIts atomic number is 6
- DIt has 6 electrons orbiting the nucleus
- EIts as 6 protons in its nucleus
2What type of bond holds the following atoms together? Na+OH-
- AIonic
- BPolar Covalent
- CHydrogen Bonds
- DCovalent
3This microscope produces an image of a light cell against a dark background; internal structures are not visible.
- ACompound light microscope
- BPhase-Contrast microscope
- CDarkfield microscope
- DFlourescence microscope
- EElectron microscope
4What microscope is best used to observe living cells?
- AFlourescence microscope
- BTransmission electron microscope
- CPhase-contrast microscope
- DAll of the above
5Where are phospholipids most likely found in a prokaryotic cell?
- AFlagella
- BAround organelles
- CPlasma membrane
- DRibosomes
- EB and C
6Which of the following is NOT a characteristic of the prokaryotic cell?
- Alack membrane enclosed organelles
- Bsingle, circular chromosome associated with histones
- CMost have a cell wall containing peptidoglycan
- Duse the plasma membrane for energy production
7Which of the following is generally not true of prokaryotic cells?
- ASome are motile by means of flagella
- BThey reproduce by binary fission
- CMost have a semirigid cell wall
- DThey possess 80S ribosomes
- EAll the above are true of prokaryotic cells
8What will most likely happen if a bacterial cell is placed in 10% NaCl with penicillin?
- AThe cell will plasmolyze
- BThe cell will undergo osmotic lysis
- CWater will enter the cell
- DNo change will result, the solution is isotonic
9Which of the following is NOT found in the mitochondria and prokaryotes?
- ACircular chromosome
- BGolgi apparatus
- CDNA
- D70S ribosome
10Which of the following uses glucose as a carbon and energy source?
- AChemoautotroph
- BChemoheterotroph
- CPhotoautotroph
- DPhotoheterotroph
11Which of the statements is true about the ability of E.coli to produce ATP?
- Aproduces the most amount of ATP by aerobic cellular respiration
- Bproduces the same amount of ATP when it's growing in an aerobic or anaerobic environment
- Cproduces more ATP when it is fermenting
- DAll of the above are true
12In which of the following pathways will Staphylococcus aureus produce the most amount of ATP when grown under aerobic conditions?
- ACellular respiration
- BGlycolysis
- CKrebs Cycle
- DElectron Transport Chain followed by Chemiomosis
13Which one of the following is most resistant to chemical biocides?
- AGram negative bacteria
- BGram positive bacteria
- CMycobacterium spp.
- DProtozoa
- EViruses with lipid envelopes
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- Microbiology Quiz on Micro Practice Test #1, created by Ami G. on 22/02/2022.
- Author
- Ami G.
- Language
- English
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