Exam (elaborations)
INTEGRATED HUMAN SCIENCE EXAM 1|ALREADY GRADED A+
- Course
- INTEGRATED HUMAN SCIENCE
- Institution
- Galen College Of Nursing
INTEGRATED HUMAN SCIENCE EXAM 1|ALREADY GRADED A+
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Nucleus Control center of the cell, stores genetic informationMitochondria Powerhouse of the cell, organelle that is the site of ATP
(energy) production
Golgi apparatus Finishes and packages proteins for export
Ribosomes (free) Float within the cytosol, makes proteins used within the
cell
Ribosomes (fixed) Fixed to the ER, concerned with the synthesis of protein
that is to be exported
Lysosomes Garbage men of the cell. Removes damaged
organelles vis phagocytosis
active transport the movement of materials through a cell membrane
using energy
passive transport the movement of substances across a cell membrane
without the use of energy by the cell
Diffusion Movement of a substance from an area of high
concentration to an area of low concentration facilitated diffusion Helper molecule within the membrane assists
movement of substances from an area of high
concentration to an area of low concentration
Osmosis Diffusion of water (solvent) from an area with more
water to an area with less water; the water
compartments are separated by a semipermeable
membrane
Filtration The pushing of water and dissolved substances from an
area of high pressure to an area of low pressure
Active transport pump Moves substances uphill (from an area of low
concentration to an area of high concentration);
requires the input of energy
Endocytosis Taking in or ingestion of substances by the cell
membrane
Phagocytosis engulfing of large particles by the cell membrane
Exocytosis Secretion of cellular products out of the cell
Tonicity The ability of a solution to affect the volume and
pressure of a cell
Isotonic The same concentration of fluid is inside the cell and
outside the cell. Cell neither gains nor loses water
Hypertonic Having a higher concentration of solute than another
solution. Causes the cell to shrink
Hypotonic Having a lower concentration of solute than another
solution. Water moves into the cell by osmosis. This
type of solution causes the the cell to burst, or lyse.
Benign Unusual cell growth that IS NOT cancerous
malignant Unusual cell growth that IS cancerous
metastasis The spread of cancer cells beyond their original site
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