ANTH 102

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Author:
Manuel025
ID:
168796
Filename:
ANTH 102
Updated:
2012-09-03 22:08:47
Tags:
Anthropology
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Vocabulary
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  1. NUCLEUS
    A structure found in all eukaryotic cells. Contains genetic information: DNA and RNA.
  2. CYTOPLASM
    Portion of the cell contained within the cell membrane, excluding the nucleus (jellylike)

    Organelles in the cytoplasm carry out important functions of the cell
  3. SOMATIC CELLS
    Components of body tissues; all cells in the body except for sex cells
  4. GAMETES ( OR SEX CELLS)
    • Ova: egg cells produced in female
    • ovaries.

    Sperm: sex cells produced in male testes.

    • (Somatic cells and gametes undergo different processes of cell
    • division.)
  5. STEM CELLS
    Undifferentiated cells in an embryo – totipotent: they can become any type of somatic cell
  6. DNA
    Double-stranded molecule that contains the genetic code, permanently remains in nucleus. CANNOT LEAVE THE NUCLEUS!
  7. RNA
    Single-stranded molecule, similar in structure to DNA but uses a different sugar and the base uracil in place of thymine.  Can exit the nucleus.
  8. MITOCHONDRIA
    Structures contained within the cytoplasm of eukaryotic cells that convert energy, derived from nutrients, into a form that is used by the cell (have own mtDNA) / the powerhouses
  9. RIBOSOMES 
    Structures composed of a specialized form of RNA and protein, The site of protein synthesis! (little factories)
  10. CHROMOSOME
    • Tightly wound and condensed DNA along with
    • some supporting proteins (300-2000 genes on each chromosome)

    Humans have 23 different chromosomes.

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