As fuels, wood and coal _____
A) are the main fuel sources in industrialized countries today
B) are both formed from living or fossil plants
C) are both formed under pressure deep in the Earth.
D) were both commonly used throughout the United States through the early 1900s.
Answer: B
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For what purpose does a plant use the sugars produced during photosynthesis?
A. For cellular respiration to produce ATP B. For making cellulose, which makes the bulk of a plant C. For storage D. All of the above
Which of the following does not inactivate an X chromosome?
A. Mammals B. Drosophila C. C. elegans D. Marsupials
Evolution, viewed on a small scale, as it relates to changes in a single gene or allele frequency in a population over time, is called
A. macroevolution. B. speciation. C. genetic evolution. D. phenotypic evolution. E. microevolution.
_________ are the result of B cell activation and secrete specific antibody. They are large, specialized, and the most numerous of B cell progeny.
A) TH cells B) B cells C) Plasma cells D) Mast cells