BIO 295 Quizlet test (100% Correct Solutions) Questions and Answer elaborations | Download To Score An A
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Course
BIO 295
Institution
Wayne County Community College
1. Bacterial cells could have any of the following appendages, except B. cilia. 2. Spirochetes have a twisting and flexing locomotion due to appendages called D. periplasmic flagella. 3. The s hort, numerous appendages used by some bacterial cells for adhering to surfaces are called C. fimbriae. 4....
49 gram negative bacteria do not have peptidoglycan in their cell walls true false
53 if during the gram stain procedure
the bacterial cells were viewed immediately after crystal violet was applie
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BIO 295
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BIO 295 Quizlet test
1. Bacterial cells could have any of the following appendages, except
B. cilia.
2. Spirochetes have a twisting and flexing locomotion due to appendages called
D. periplasmic flagella.
3. The short, numerous appendages used by some bacterial cells for adhering to surfaces are
called
C. fimbriae.
4. The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
E. sex pili.
5. All bacterial cells have
A. a chromosome.
6. The term that refers to the presence of flagella all over the cell surface is
E. peritrichous.
7. The outcome of the Gram stain is based on differences in the cell's
C. cell wall.
8. The most immediate result of destruction of a cell's ribosomes would be
.03
9. A bacterial cell exhibiting chemotaxis probably has
D. flagella.
10. Which structure protects bacteria from being phagocytized?
D. capsule
11. If bacteria living in salty seawater were displaced to a freshwater environment, the cell
structure that would prevent the cells from rupturing is
B. cell wall.
12. Peptidoglycan is a unique macromolecule found in bacterial
A. cell walls.
13. All of the following structures contribute to the ability of pathogenic bacteria to cause
disease, except
A. inclusions.
14. A procaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid
and lipoteichoic acid is
B. gram-positive.
, BIO 295 Quizlet test
15. A bacterial genus that has waxy mycolic acid in the cell walls is
A. Mycobacterium.
16. All of the following pertain to endotoxins, except they
E. are found in acid fast bacterial cell walls.
17. The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical
gram-positive bacterial cell wall structure is
A. more peptidoglycan.
B. predominance of unique, waxy lipids.
C. easily decolorized.
D. presence of lipopolysaccharide.
E. All of the choices are correct.
...E. All of the choices are correct.
18. Lipopolysaccharide is an important cell wall component of
B. gram-positive bacteria.
19. The periplasmic space is
C. an important reaction site for substances entering and leaving the cell.
20. Which of the following, pertaining to prokaryotic cell membranes, is mismatched?
A. internal folds - mesosomes
B. sterols present - mycoplasmas
C. form a bilayer - phospholipids
D. unique hydrocarbon present - cyanobacteria
E. function - regulates transport of nutrients and wastes
E. function - regulates transport of nutrients and wastes
21. The site/s for most ATP synthesis in prokaryotic cells is/are the
E. cell membrane.
22. The bacterial chromosome
C. is part of the nucleoid.
23. Which is mismatched?
A. ribosomes - protein synthesis
B. inclusions - excess cell nutrients and materials
C. plasmids - genes essential for growth and metabolism
D. nucleoid - hereditary material
E. cytoplasm - dense, gelatinous solution
C. plasmids - genes essential for growth and metabolism
24. Magnetosomes are
D. composed of magnetic iron oxide particles.
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