Exam 1 questions and answers 2025\2026
A+ Grade
Sodium
- correct answer Main ECF ion.
Potassium
- correct answer Main ICF ion.
Mitochondria
- correct answer Organelle that produces ATP.
Ribosomes
- correct answer Organelles responsible for protein synthesis.
Lysosomes
- correct answer Organelles that degrade and recycle waste.
Peroxisomes
- correct answer Organelles that break down chemicals into H202, produces free radicals.
Golgi Apparatus
- correct answer Organelle responsible for packaging and distribution.
, Smooth Endoplasmic Reticulum
- correct answer Organelle that synthesizes steroids and detoxification.
Tight Junction
- correct answer Impermeable junction; strength.
Gap Junction
- correct answer Junction that allows for conductivity, synchronizes contractions of cardiac muscle
through ionic coupling.
Desmosomes
- correct answer Junctions that hold cells together by continuous bands or belts of epithelial sheets or
button-like points of contact.
Diffusion, Facilitated Diffusion, and Osmosis
- correct answer Non-energy forms of transport.
Active Transport
- correct answer Energy-requiring movement of molecules across a membrane, example is Na/K pump.
Hypotonic Fluid
- correct answer Causes cells to swell.
Hypertonic Fluid
- correct answer Causes cells to srhink.
36 ATP
- correct answer How many ATP are produced in aerobic respiration?
2 ATP
- correct answer How much ATP can anaerobic respiration make?