By the ligand receptors on the surface of the cell membrane. How do transport proteins make it easier for certain molecules to diffuse across a membrane.
the binding of a signaling molecule, or ligand, to its receiving molecule, or receptor.
(A)Until the onset of PUBERTY,
Fungi are effective decomposers, saprophytic fungi grow towards their food source, mycelia produce extracellular enzymes to digest food outside of hyphae, saprophytic fungi like miners: they blast away lignin to expose cellulose, fungi use other enzymes to degrade cellulose to glucose.
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