2. A(n) ________________ is the type of carbohydrate that is NOT found in the cell walls of archaebacteria.
A. amino acid
B. peptidoglycan
C. nucleotide
D. nucleus

3. A rod-shaped prokaryote is called a _______________.
A. flagellum
B. spirillum
C. coccus
D. bacillus

4. A spherical prokaryote is called a _______________.
A. flagellum
B. spirillum
C. coccus
D. bacillus

5. A spiral of corkscrew-shaped prokaryote is known as a _________________.
A. flagellum
B. spirillum
C. coccus
D. bacillus

6. A ________________ is a whiplike structure on some cells that is used for movement.
A. flagellum
B. spirillum
C. coccus
D. bacillus

7. A _______________ is a technique used to determine whether or not a bacterium has a cell wall that contains peptidoglycan.
A. lytic infection
B. lysogenic infection
C. sterilization
D. Gram stain

8. A prokaryote that caries out photosynthesis in a manner similar to that of plants is a _______________.
A. photoautotroph
B. chemoautotroph
C. photoheterotroph
D. prion

9. A prokaryote that obtains energy directly from inorganic molecules using chemical reactions is a ________________.
A. photoautotroph
B. chemoautotroph
C. photoheterotroph
D. prion

10. A ________________ is a prokaryote that is photosynthetic but also needs organic compounds for nutrition.
A. photoautotroph
B. chemoautotroph
C. photoheterotroph
D. prion

11. A type of asexual reproduction in which a prokaryote replicates its DNA, and divides in half, producing two identical daughter cells is ________________.
A. conjugation
B. binary fission
C. meiosis
D. nitrogen fixation

12. _______________ is the form of sexual reproduction in which paramecia and some prokaryotes exchange genetic information.
A. Conjugation
B. Binary fission
C. Meiosis
D. Nitrogen fixation

13. The type of spore formed when bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm is known as a(n) _______________.
A. pathogen
B. virus
C. endospore
D. antibiotic

14. The process of converting nitrogen gas into ammonia is __________________.
A. conjugation
B. binary fission
C. meiosis
D. nitrogen fixation

15. A(n) _______________ is a disease-causing agent, such as a bacterium or a fungus.
A. pathogen
B. virus
C. endospore
D. antibiotic

16. A(n) _________________ is a compound that blocks the growth and reproduction of bacteria.
A. pathogen
B. virus
C. endospore
D. antibiotic

17. Bacteria are used in producing a variety of foods, including _________________ & _________________.
A. cheese, yogurt
B. buttermilk, sour cream
C. pickles, saurkraut
D. all of the above are true

18. _________________ is the process of destroying bacteria using great heat or chemical action.
A. Lytic infection
B. Lysogenic infection
C. Gram staining
D. Sterilization

19. A(n) _______________ is a partical made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting living cells.
A. pathogen
B. virus
C. endospore
D. antibiotic

20. The outer protein coat of a virus is a ________________.
A. retrovirus
B. capsid
C. bacteriophage
D. prion

21. A virus that infects bacteria is a ________________.
A. retrovirus
B. capsid
C. bacteriophage
D. prion

22. The process of a _________________ is when a virus enters a cell, makes a copy of itself, and causes the cell to burst.
A. lytic infection
B. lysogenic infection
C. sterilization
D. Gram stain

23. The process by which a virus embeds its DNA into the DNA of the host cell and is replicated along with the host cell's DNA is known as a _______________.
A. lytic infection
B. lysogenic infection
C. sterilization
D. Gram stain

24. A virus that contains RNA as its genetic information is a _______________.
A. retrovirus
B. capsid
C. bacteriophage
D. prion

25. A _________________ is an infectious particle made of protein rather than RNA or DNA.
A. retrovirus
B. capsid
C. bacteriophage
D. prion