Why is wood a remarkably difficult material to decompose? Select all correct choices
A. Wood contains cellulose.
B. Wood contains lignin.
C. Most bacteria can't break down lignin.
D. Most fungi can't break down lignin.
A,B,C
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The first step of the scientific method is to
(a) ask a question. (b) construct a hypothesis. (c) observe carefully. (d) formulate a prediction.
Which of the following bacterial pathogens is found in aquatic environments and is commonly present in air conditioning systems?
A) Enterobacter aerogenes B) Klebsiella pneumoniae C) Legionella pneumophila D) Vibrio cholerae
Where are the light-capturing pigments located in a chloroplast?
A. outer membrane B. inner membrane C. transitional membrane D. thylakoid membrane
Determining urease activity and growth on niger seed agar is helpful in determining which type of yeast?
a. C. albicans b. Trichosporon c. C. neoformans d. M. furfur