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10 Cards in this Set

  • Front
  • Back
3 essential parts of a Homeostatic Mechanism
1. Sensor
2. Control Center
3. Effector Organ
Positive Feedback Responses
Rare: like labor contractions and milk letdown
Enhances the initial stimulator and increases further
Negative Feedback Responses
Reverses initial stimulus
Molecule
2 or more of the same element bonded to itself
O2, H2
Compound
Two or more different atoms
CO2, HCO3
Carbohydrates
Sugars/starches
Glucose:bodies favorite, stored as glycogen
Lipids
diverse, long term energy, structural molecules, makes steriods, regulatory hormones
Proteins
Always guess on tests, most important functional group in body, long chains of amino acids
Functions of Proteins (6)
1. Structural (collagen)
2. Catalytic
3. Regulatory (most hormones)
4. Contractile (movement)
5. Transportive
6. Protection
Nucleic Acids
DNA and RNA
Master blueprint (DNA)
Assist in protein production, can be modified to ATP (RNA)