Woody plants have which two compounds in their cell walls?

A) chlorophyll and cellulose B) chitin and lignin
C) cellulose and lignin D) chitin and cellulose


Answer: C

Biology & Microbiology

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In the international division of labor, one reason for China's role as a major producer of everything from shoes to toys is the endless supply of people who will work for ________ an hour

A) nothing B) 6 cents C) 60 cents D) 6 dollars E) 60 dollars

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Each carbon atom can share pairs of electrons with as many as ________ other atom(s)

Fill in the blank(s) with correct word

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Morphogens are substances that help control development

Indicate whether the statement is true or false

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In performing a Gram's staining techniques, the decolorization reagent is

A. A mixture of acetone and alcohol B. A mixture of different alcohols C. A mixture of acid and alcohol D. A mixture of acetone and ether E. none of the above

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