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Bio 235 MIDTERM 1 EXAM Version B (Athabasca University, Athabasca)

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Bio 235 MIDTERM 1 EXAM Version B (Athabasca University, Athabasca)Bio 235 MIDTERM 1 EXAM Version B (Athabasca University, Athabasca)  Know components of the lipid bi-layer o Phospholipids, Chol ... esterol, and Glycolipids  Bonds between water molecules- what type of bond is it? o Hydrogen Bond  Facilitated diffusion and what role does carrier protein play o Channel mediated or Carrier mediated. Moves solute down conc. Undergoes shape change  Know Transcytosis o Endocytosis to enter, Exocytosis to exit  Is synovial membrane considered an epithelial membrane? o No, doesn’t have epithelium. Lines joints and connective tissue.  Know what role triglycerides and cholesterol plays in body o Triglycerides: Energy storage (twice efficient) o Cholesterol: synthesize steroids. Makes bilayer stronger, less fluid. Except at low temperature  Know location of the Nail Bed (hyponchium) o Underneath Nail Body o Hyponchium secures nail to fingertip o Eponychium (cuticle) is stratum corneum above and proximal to lunula  Which layer of the epithelium is not present in Thick skin? o Thin Skin doesn’t have lucidum. Thick skin has Basale, Spinosum, Granulosum, Lucidum, Corneum BSGLC  Properties of Enzymes o Lowering activation energy to speed up biochemical reactions  What is not a common characteristic of epithelium? [Show More]

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