Which of the following describes the composition of cell walls found in water molds?
a. All individuals have only cellulosic walls.
b. All individuals have only chitinous walls.
c. All individuals have only peptidoglycan walls.
d. Some individuals have cell walls of chitin, and others have cell walls of cellulose.
e. Some individuals have cell walls of chitin, some have cell walls of cellulose, and some
have cell walls of both chitin and cellulose.
D
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Bdellovibrio species are ________ cells that replicate in the ________
A) symbiotic / gills of clams B) lithotrophic / deep subsurface C) predatory / periplasmic space D) denitrifying / sediments of freshwater lakes
Which of the following is a product of lactic acid fermentation?
a. yeast b. ATP c. alcohol d. water
Viruses are known to cause certain cancers
Indicate whether the statement is true or false
Chemical elements that are needed to help form bodily structures and to facilitate chemical reactions in the body are ________
Fill in the blank(s) with correct word