Fried egg appearance is found in mycoplasma colonies.

Mycoplasma colonies:

• biphasic – distinct central and peripheral zones
• central zone – opaque, granular – growth extending into the depth of the medium
• peripheral zone – translucent, flat

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1. Carrom coin appearance
2. Draughtsman appearance
3. Pneumoccus – cultural characteristics
4. Safety pin appearance is seen in