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A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student?

a. A single circular chromosome
b. A nucleus
c. Free-floating nuclear material
d. No organelles

  • #1
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ANS: B
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucle-us; thus, the nucleus should be observed. A single circular chromosome called a prokaryote con-tains free-floating nuclear material but has no organelles.

  • #2
The answer is right!!!