Histones are the ____
a. major class of proteins in chromatin
b. initiators of DNA replication
c. cause of SARS
d. genes that encode for deoxyribose
e. molecules that prevent strong hydrogen bonding
a
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The proteins most actively synthesized during the S phase of the cell cycle are
A) DNA polymerases. B) rRNA proteins. C) histones. D) single-strand binding proteins. E) cyclins.
ATP formation in the electron transport system is called ________.
Fill in the blank(s) with the appropriate word(s).
Why does planting a cover crop help conserve soil?
I) controls weed populations II) reduces soil loss due to wind and water erosion III) increases soil nutrients when plowed under and allowed to decompose A) only I B) I and II C) II and III D) I, II, and III
Why are some of Carl Linnaeus’s classifications of organisms incorrect?
A. Linnaeus did not study the anatomy of organisms. B. Linnaeus’s work accounted for evolution. C. Linnaeus did not use structural comparisons. D. Linnaeus primarily used physical characteristics.