Microbiology A Systems Approach, 7th Edition | Complete Chapter by Chapter Q&A (Ch. 1–25) Questions and Accurate Answers| Well Organized Guide Graded A+

Microbiology
A Systems Approach, 7th Edition | Complete
Chapter-by-Chapter Q&A (Ch. 1–25) Questions
and Accurate Answers| Well Organized Guide
Graded A+
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C

Which of the following 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



E

Plasmids
A. are found in all bacteria.
B. are essential for survival.
C. cannot be passed between organisms.
D. cannot be passed on to progeny.
E. are often the site of pathogenic genes.



C

The chemical components of ribosomes are proteins and
A. mRNA.
B. tRNA.
C. rRNA.
D. All of the choices are correct.
E. None of the choices is correct.



C

The function of bacterial endospores is
A. to convert gaseous nitrogen to a usable form for plants.

,B. reproduction and growth.
C. protection of genetic material during harsh conditions.
D. storage of excess cell materials.
E. to act as sites for photosynthesis.



E

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid. What is the identity of this
structure?
A. cell wall
B. capsule
C. slime layer
D. nucleoid
E. endospore



E

Endospores are
A. metabolically inactive.
B. resistant to heat and chemical destruction.
C. resistant to destruction by radiation.
D. living structures.
E. All of the choices are correct.



A

Bacterial endospores are not produced by
A. Staphylococcus.
B. Sporosarcina.
C. Bacillus.
D. Clostridium.
E. All of the choices are correct.



B

Which term is not used to describe bacterial cell shapes?
A. coccus
B. tetrad
C. vibrio
D. rod
E. spirochete

,E

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells
oriented side by side.
A. tetrad
B. strep
C. staph
D. sarcina
E. palisade



C

An irregular cluster of spherical cells would be called a/an
A. palisades.
B. sarcina.
C. staphylococcus.
D. streptococcus.
E. spirilla.



A

A chain of rod-shaped cells would be called a/an
A. streptobacillus.
B. staphylobacillus.
C. streptococcus.
D. staphylococcus.
E. palisades.



C

_____ Manual of Systematic Bacteriology is a manual of bacterial descriptions and classifications.
A. Pasteur's
B. Lister's
C. Bergey's
D. Leeuwenhoek's
E. Koch's



A

Which of the following is not a phenotypic trait of bacteria?
A. rRNA sequencing

, B. shape
C. culture behavior
D. biochemical reaction
E. All of these are phenotypic traits.



C

Which of the following is mismatched?
A. Gracilicutes - gram-negative cell walls
B. Firmicutes - gram-positive cell walls
C. Tenericutes - waxy acid fast cell walls
D. Mendosicutes - archaea cell walls
E. None of the choices is correct.



B

Which of the following is not a division of Kingdom Prokaryote according to Bergey's Manual of
Determinative Bacteriology?
A. Gracilicutes
B. Scotobacteria
C. Firmicutes
D. Tenericutes
E. Mendosicutes



E

Which of the following is mismatched?
A. methanogens - convert CO2 and H2 gases into methane
B. extreme halophiles - adapted to salty habitats
C. psychrophiles - adapted to very low temperatures
D. hyperthermophiles - adapted to high temperatures
E. thermoplasmas - adapted to frozen environments



B

Two major structures that allow bacteria to adhere to surfaces are ___ and ___.
A. pili, ribosomes
B. fimbrae, capsules
C. lipopolysaccharides, techoic acids
D. actin filaments, phospholipid membrane(s)
E. actin filaments, ribosomes