Some bacteria have a water-soluble outer slime layer composed of

A. carbohydrate.
B. lipid.
C. peptidoglycan.
D. protein.
E. carbohydrate, protein, or both.


Answer: E

Biology & Microbiology

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The ____ are the initial branches of the trachea that lead into each lung

a. bronchioles b. alveoli c. pleura

d. bronchi e. larynx

Biology & Microbiology

Which of the following correctly describes the long-term responses of populations following the fire? a. The grasses eventually declined back to their original size and the other populations graduallygrew back to their original sizes

b. The grasses eventually grew back to their original size and the other populations eventuallydeclined back to their original size. c. All populations eventually declined. d. All populations eventually increased.

Biology & Microbiology

A difference in appearance between males and females in a species is called ________

Fill in the blank(s) with correct word

Biology & Microbiology

Cells contain organized structures that perform a specific function. These are known as:

A) organelles. B) prokaryotes. C) organs. D) cytoplasm. E) tissues.

Biology & Microbiology