Chapter 4
Supplemental Quiz

1. The following characteristics define a bacterial structure. Choose the lettered response which BEST represents your analysis of the structure. Explain your reason for each answer.

1. Protein, Facilitates infection, Numerous, Binds carbohydrates, Bristle-like.

2. Protein, Carbohydrate, Lipid, 80% water, Elastic, Inorganic ions and gases.

A. chromosome

B. cytoplasm

C. membrane

D. cell wall

E. capsule

3. Carbon and nitrogen polymer, 50% or more of cell weight, some sulfur side groups, catalyst.

A. membranes

B. enzymes

C. DNA

D. steroids

E. carbohydrates

4. These characteristics also describe a bacterial structure. Choose the structure's function: DNA, thick layers of cell wall and protein, reduced water content, dipicolinic acid.

A. carbon and energy reserves

B. metabolic events

C. DNA survival

D. attachment or adherence

E. replication

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