EXAMINATION SCRIPT 2026 FULL
SOLUTIONS GUIDE
◉ concentration gradient.
Answer: when molecules are unevenly distributed resulting in an
area of higher and lower concentration
◉ what is the correlation between molecular mass and rate of
diffusion.
Answer: the larger and heavier the molecule the slower it will
diffuse
◉ osmosis.
Answer: Diffusion of water through a selectively permeable
membrane
◉ selectivly permeable membrane.
Answer: membrane that only allows certain things to come in while
keeping other things out
, ◉ hypertonic.
Answer: the concentration of solutes is greater outside the cell than
inside it
◉ hypotonic.
Answer: the concentration of solutes is greater inside the cell than
outside of it
◉ isotonic.
Answer: the concentration of solutes is the same inside and outside
the cell
◉ apical surface of epithelial tissue.
Answer: layer of cells closest to the lumen
◉ basal surface.
Answer: The bottom layer of epithelial tissue that attaches to the
basement membrane
◉ basement membrane.
Answer: Cells at the base of an epithelial layer are attached to this.
◉ simple epithelium.