1. Introduction to Microbiology

How does the study of the nucleotide sequences of ribosomal RNA fit into a discussion of taxonomy?

For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.

__________ Archaea are classified into phyla based primarily on tRNA sequences.

Whereas the first edition of Bergey’s Manual relied on morphological and biochemical characteristics to classify microbes, the new edition focuses on ribosomal RNA sequences. List several other criteria for grouping and classifying bacteria.

Match the terms below with their corresponding definitions.

1. __________Chlorophyta

2. __________Rhodophyta

3. __________Chrysophyta

4. __________Phaeophyta

5. __________Rhizaria

A. Foraminifera

B. Yellow-green algae

C. Green algae

D. Brown algae

E. Red algae

Amoebas with stiff pseudopods and silica shells are ___________.

Identify these fungal genera.

(a) <IMAGE>

(b) <IMAGE>

(c) <IMAGE>

The beef tapeworm is known by what scientific name? __________           

a. Taenia solium

b. Taenia saginata

c. Ancylostoma duodenale

d. Echinococcus granulosus

Enterobius vermicularis is commonly called __________.

a. hookworm

b. pinworm

c. whipworm

d. tapeworm