BMSC 230 FINAL ACTUAL EXAM 2026
QUESTIONS WITH ANSWERS GRADED A+
>> Homeostasis
Answer: Maintenance of internal stability
>> Negative feedback loop
Answer: Counteracts deviation
>> Positive feedback loop
Answer: Amplifies deviation
>> Cell membrane
Answer: Phospholipid bilayer + proteins
>> Fluid mosaic model
Answer: Dynamic protein-lipid structure
>> Diffusion
Answer: Passive high to low concentration
>> Osmosis
Answer: Water moves to higher solute
>> Hypertonic solution
Answer: Cell shrinks
, >> Hypotonic solution
Answer: Cell swells
>> Isotonic solution
Answer: No net water movement
>> Facilitated diffusion
Answer: Protein-assisted passive transport
>> Active transport
Answer: Against gradient, requires ATP
>> Sodium-potassium pump
Answer: 3 Na■ out, 2 K■ in
>> Endocytosis
Answer: Bulk intake
>> Phagocytosis
Answer: Solid particle engulfment
>> Pinocytosis
Answer: Fluid engulfment
>> Receptor-mediated endocytosis
Answer: Specific molecule uptake
>> Exocytosis
Answer: Vesicle release
QUESTIONS WITH ANSWERS GRADED A+
>> Homeostasis
Answer: Maintenance of internal stability
>> Negative feedback loop
Answer: Counteracts deviation
>> Positive feedback loop
Answer: Amplifies deviation
>> Cell membrane
Answer: Phospholipid bilayer + proteins
>> Fluid mosaic model
Answer: Dynamic protein-lipid structure
>> Diffusion
Answer: Passive high to low concentration
>> Osmosis
Answer: Water moves to higher solute
>> Hypertonic solution
Answer: Cell shrinks
, >> Hypotonic solution
Answer: Cell swells
>> Isotonic solution
Answer: No net water movement
>> Facilitated diffusion
Answer: Protein-assisted passive transport
>> Active transport
Answer: Against gradient, requires ATP
>> Sodium-potassium pump
Answer: 3 Na■ out, 2 K■ in
>> Endocytosis
Answer: Bulk intake
>> Phagocytosis
Answer: Solid particle engulfment
>> Pinocytosis
Answer: Fluid engulfment
>> Receptor-mediated endocytosis
Answer: Specific molecule uptake
>> Exocytosis
Answer: Vesicle release