Active transport is the movement of molecules or ions against a concentration gradient. Passive transport is the movement of molecules or ions from an area of higher to lower concentration.
Passive transport does NOT require energy
-Diffusion - small uncharged molecules
-Osmosis - water
-Facilitated diffusion - glucose
Active transport REQUIRES energy
-Ion pumps
-Endocytosis
-Exocytosis
If its chemistry:
Hg: Mercury/Transition metal
Ni: Nickel/Transition metal
Ti: Titanium/Transition metal
Their MONOMERS.
Like amino acids is the monomer of protein and Mono-saccharides is the monomer of polysaccharides
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