Key Terms Instructions: Please Define the Following Key Terms

question 52

Essay

Key Terms Instructions: Please define the following key terms. Show Who? What? Where? When? Why Important?
Dark Age

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Definitions:

Anaphase

A phase of mitosis and meiosis during which the chromosomes separate and move to opposite ends of the cell.

Sister Chromatids

Duplicated DNA structures connected by a centromere, identical genetic information, formed during the S phase of the cell cycle.

Nuclear Envelope

A double-membrane structure that encloses the nucleus in eukaryotic cells, separating the contents of the nucleus from the cytoplasm.

Plasma Membrane

The lipid bilayer membrane that surrounds the cytoplasm of a cell, regulating the passage of substances in and out of the cell.