Active process, as it uses facilitated diffusion.

Passive process, as it does not require energy.

Active process, as it requires ATP.

Active process, as it moves ions against their gradient.

Passive process, as it relies on simple diffusion.

Alpha helix

Tertiary protein structure

Helical DNA structure

Beta sheet

Quaternary protein structure

Nucleotide

Fatty acid

Amino acid

Carbohydrate

Monosaccharide

Nucleotide

Lipid

Protein

Nucleic acid

Carbohydrate

Primary structure

Protein structure

Quaternary structure

Secondary structure

Tertiary structure

Peptide bonds

Monosaccharides

Nucleotides

Fatty acids

Amino acids

A structure involved in the production of proteins for secretion.

A structure important for modifying, storing and transporting proteins.

An organelle filled that may store organic or inorganic ions within an aqueous environment.

A region responsible for producing ribosomes.

A membrane involved in protein and membrane synthesis.

The nucleolus

The smooth endoplasmic reticulum

The Golgi apparatus

The rough endoplasmic reticulum

The mitochondria

An ester bond

Hydrogen bonds

A hydrophilic bond

Van de Waal's force

A covalent bond