Answer:
<h2>Facilitated diffusion
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Explanation:
1. Diffusion: it is the net passive movement of particles from higher concentration to lower concentration. Diffusion continues until the concentration of substances is equal through out.
2. Facilitated diffusion: is the process of passive transport of molecules or ions across a biological membrane and requires (via) a specific carrier protein.
3. Facilitated diffusion is passive type and require specific protein and it requires no energy from the cell.
4. It requires specific proteins through which molecules move from one side to another.
Investigate-make observation and reseach your topic of interest.Ex: library, internet, textbooks, ask someone.
Answer:
A pedigree
Explanation:
A pedigree is the record of descent of an animal, showing it to be purebred. With a pedigree, a dog breeder would easily have proof of his purebred dogs' heritage.
<h3>Hope this was helpful!</h3>
Answer:
Chains of amino acids make Proteins which fold to make a complex three dimensional shape.