Exam 2 Mini Review
Ashley Sterpka 2025
BIOS251
,Cells
Week 3- BIOS 251
,The Cell
• Cell – fundamental living unit of
any organism
• The Cell Maintains life
, 1. Cell Membrane
• Controls movement into and out of the cell, cell-
cell interactions
• Selectively permeable = “picky”
• Composed of phospholipid bilayer
• Lipid soluble items pass through (examples) =
• Water soluble items can’t pass through (ex..) =
Ashley Sterpka 2025
BIOS251
,Cells
Week 3- BIOS 251
,The Cell
• Cell – fundamental living unit of
any organism
• The Cell Maintains life
, 1. Cell Membrane
• Controls movement into and out of the cell, cell-
cell interactions
• Selectively permeable = “picky”
• Composed of phospholipid bilayer
• Lipid soluble items pass through (examples) =
• Water soluble items can’t pass through (ex..) =
