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30 Cards in this Set

  • Front
  • Back
All living things are made of ____________.
Cells
Smallest living subunits are ___________?
Cells
______________________ depends on the function of cells.
Homeostasis
________________ contains the chromosomes of a cell.
Nucleus
_________ is the control center of a cell because of the genes it contains.
Nucleus
___________ contains the nucleolus.
Nucleus
DNA , RNA & Prs =
Nucleolus
Human cells contain how many DNA structures?
46 chromosomes
Another name for DNA
The Genetic Code
Another name for RNA
COPY
These three organic molecules;phospholipids, protein and cholesterol make up what?
Cell membrane
_________ forms the outermost boundary of a cell
Cell membrane
What permits certain substances to enter or leave the cell?
Cell membrane
______________ is selectively permeable.
Cell membrane
Only mature red blood ________ do NOT have a nucleus.
cells
___________ is a watery solution of minerals, organic molecules, and gases.
Cytoplasm
___________ found between the cell membrane and the nucleus.
Cytoplasm
__________ an extensive series of membranous tubules that extend from the nuclear membrane to the cell membrane; may be rough or smooth.
Endoplasmic reticulum (ER)
__________ is the passageway for transport of materials within the cell.
Endoplasmic reticulum (ER)
____________ made of protein and ribosomal RNA.
Ribosomes
____________ is the site of protein synthesis. (make protein)
Ribosomes
____________ is a series of flat, membranous sacs.
Golgi apparatus
___________ synthesize carbohydrates and secrete materials from the cell.
Golgi appartus
___________ double-membrane structures; the inner membrane has folds called cristae.
Mitochondria
__________ is the site of ATP production. (makes ATP)
Mitochondria
____________ single-membrane structure that contains tissue-digesting enzymes.(aka suicide cells)
Lysosomes
__________ digest worn-out cell parts or ingested bacteria.
Lysosomes
What cell organelle acts like a post office (packs materials)?
Golgi apparatus
_________ is a two rod-shaped structure perpendicular to one another.
Centrioles
____________ organize the spindle fibers during cell divison. (reduces cells)
Centrioles