ANATOMY AND PHYSIOLOGY CHAPTER 3 FINAL EXAM 2025/2026 QUESTIONS AND VERIFIED ANSWERS GRADED A+ <LATEST!!>

ANATOMY AND PHYSIOLOGY CHAPTER 3
FINAL EXAM 2025/2026 QUESTIONS AND
VERIFIED ANSWERS GRADED A+
<LATEST!!>
Plasma Membrane
Flexible outer boundary




Cytoplasma
Intracellular fluid containing organelles




Nucleus
Control center; largest organelle; genetic library with blueprints for nearly all cellular proteins in
the DNA




Lipid Bilayer
Provide the barrier that marks the boundaries of a cell; composed of two layers of fat cells
organized in two sheets




Fluid Mosaic Model
The cell membrane as a two-dimensional liquid that restricts the lateral diffusion of membrane
components

, Intracellular Fluid
Fluid of cytoplasma




Extracellular Fluid
Fluid around cells




Interstitial Fluid
ECF that surrounds cells




Hydrophilic
tend to mix with water




Hydrophobic
tends not to mix with water




Integral Membrane Protein
Firmly inserted into membrane; function as transport proteins, enzymes, or receptors




Peripheral Membrane Protein
Loosely attached to integral proteins; function as enzymes; motor proteins for shape change
during cell division and muscle contraction