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Ch. 5 Vocab (Cell Growth and Division)

Terms in this set (20)

Cell Cycle
Pattern of growth, DNA replication, and cell division in eukaryotic cells
Gap 1
First stage in cell cycle
Synthesis
The cell makes a copy of its DNA during this stage in the cell cycle.
Gap 2
Additional growth occurs during this third stage of the cell cycle.
Mitosis
Process where a cell divides its nucleus.
Cytokinesis
Cell cytoplasm divides
Chromosome
Long thread of DNA with numerous genes
Chromatin
Loose combination of DNA and proteins present during interphase
Chromatid
Half a duplicated chromosome
Centromere
Region of condensed chromosome
PMAT
Steps in mitosis.
Cancer
Uncontrolled cell division
Benign
Having no dangerous effect on health.
Malignant
Cancerous tumors where cells break away and travel thought the body
Carcinogens
Substance that promotes cancer
Sexual reproduction
Process by which two gametes fuse
Binary fission
Asexual reproduction where a cell divides into two equal parts.
Tissue
Group of cells
Cell differentiation
Unspecialized cells develop into their mature form and function
Stem cells
Cell that can divide for a long period of time without differentiating
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