Proteins are polymers constructed from ________ monomers
A) hydrocarbon
B) amino acid
C) nucleotide
D) fatty acid
B
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Which plant hormone has mostly inhibitory effects?
a. auxin b. gibberellin c. cytokinin d. abscisic acid e. ethylene
Climate diagrams are valuable because they show
A) seasonal variation in temperature and precipitation. B) abundance of dominant vegetation. C) diversity of plant species present. D) variation in carbon availability.
When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the antibiotic out of their cells. Which of the following mechanisms is most likely used by the Streptococcus pneumoniae to pump the antibiotic out of their cells?
A. active transport B. diffusion C. facilitated diffusion D. osmosis
What term describes localized tumor growth?
a. metastasis b. carcinoma in situ c. pleomorphic d. anaplastic e. sarcoma