13 terms

Cell Cycle

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metaphase
Chromosomes line up down the equator of the cell. Spindle fibers extend from the centrioles and attach to the centromeres.
mitosis
The process in which a cell and its nuclear contents divide to make new cells.
interphase
The longest phase of the cell cycle, where growth metabolism and DNA synthesis (replication) occur.
prophase
In animal cells the centrioles begin to move to opposite sides of the cell. The nuclear membrane dissolves and the chromatin contracts to form chromosomes.
Gap 1
The part of interphase in which rapid growth, metabolism and the replication of organelles occurs.
cell cycle
The sequence of growth and division of a cell.
interphase
During this phase, the nuclear envelope (membrane) has not yet dissolved and the chromatin has not yet contracted to form chromosomes.
anaphase
Centromeres divide and sister chromatids move down the spindle toward opposite sides of
the cell.
S (synthesis)
The part of interphase in which the DNA replicates
(makes a copy of itself).
telophase
The cell starts to pinch in, and toward the end of the phase the nuclear membrane, starts to reform and chromosomes start to relax.
cytokinesis
At the end of telophase, the cytoplasm of the cell divides creating two new cells.
prophase
The first and longest phase of mitosis.
Gap 2
The part of interphase in which growth continues and the cell prepares to divide.