Last Modified: 2011-07-05
Related Textbooks:Human Genetics: Concepts and Applications
4. Connective Tissues (blood, cartilage, and adipose cells)
carbs (sugars and starches)
lipids (fats and oils)
-control a cell's production of all types of macromolecules
-the end react oppositely to water
-may set into motion a cascade of chemical reactions that carries out a particular cellular activity such as dividing
-permits electric signals in ion form to pass through membranes
-specific for calcium, sodium, potassium, or chloride
Distinguish by protein type, diameter, and how they aggregatre into loarger structures
-long this rods composed of actin (a protein)
-enables cells to withstanf stretching and compression
-anchors cells together
a cell duplicates its chromosomes, then apportions one set into each of 2 resulting cells (daughter cells)
2 major stages
-interphase (not dividing)
-G1 and G2 phase
G0 phase-cell maintains specialized characteristics but does not replicate or divide its DNA
-many proteins synthesized int eh mitotic spindle
-microfilament band contracts like a drawstring, separating teh newly formed cells
-cells change various tpypes of stimuli into specific stimuli reactions
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