BIOLOGY

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Across
  1. 3. Embedded in the membrane; helps with transport, communication, and structural support.
  2. 4. Membrane– The outer boundary of a cell that controls what enters and exits; also called the cell membrane.
  3. 7. A membrane protein with carbohydrate chains attached, important for cell recognition and signaling.
  4. 8. – A membrane that allows some substances to pass through while blocking others.
  5. 10. – A molecule with a hydrophilic head and hydrophobic tail that forms the basic structure of the cell membrane.
Down
  1. 1. Describes the ability of the membrane to choose what substances can cross it.
  2. 2. A simple sugar that cells use for energy, transported across the membrane.
  3. 5. – A term used to describe molecules or parts of molecules that repel water.
  4. 6. Bilayer– The double-layered structure of phospholipids that forms the main part of the cell membrane.
  5. 9. A type of lipid found in the membrane that maintains its fluidity and stability.