With respect to coefficient of linear thermal expansion, bacterial vegetative cells and spores resemble plastics and metals, respectively

Table 2 Coefficient of thermal expansion (coefficient of linear expansion) of metals[4, 5]

Metals	Melting point (°C)	Coefficient of linear expansion (×10^-6/°C)(20°C)
Iron	1539	11.7
Copper	1085	16.7
Gold	1064	14.1
Aluminium	660	23.1
Magnesium	650	24.8
Zinc	420	29.7

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