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Sallie Lu stack 1

assignment 1

What is hyperpolarization? Movement of the membrane potential away from zero (thus be-low the usual RMP)
What is the setpoint range? (homeostasis) This normal reading or range of normal
What are the four basic components in every feedback loop? 1. Sensor mechanism 2. Integrator or control center 3. Effector mechanism 4. Feedback
What hormone does the pituitary gland secrete? oxytocin (OT)
Four major groups of organic substances? 1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic acids and related molecules
3 types of carbohydrates? 1. Monosaccharides (simple sugars) 2. Disaccharides (double sugars) 3. Polysaccharides (complex sugars)
Name some lipids. triglycerides or fats, phospholipids, steroids, and prostaglandins (PGs
Define the definition of hydrophillic and hydrophobic. hydrophilic, “water loving,” hydrophobic “water fearing”
What class of lipid is cholesterol? steroid
What determines how a protein performs? It is the shape or conformation of a protein that determines how it performs.
What is a peptide bond? A peptide bond is one that binds the carboxyl group of one amino acid to the amino group of another amino acid.
What are the four levels of protein organization? 1. Primary (first level) 2. Secondary (second level) 3. Tertiary (third level) 4. Quaternary (fourth level)
Name functions of bone. support, protection, movement, mineral storage, hematopoesis
State the difference between axial and appendicuar skeleton. axial skeleton: skull, sternum, ribs, vertebrae, face and ear bones appendicular skeleton: the shoulder girdles, arms, forearms, wrists, and hands and the hip girdles, thighs, legs, ankles, and feet.
Created by: sall23
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