IUPUI K357 Exam 1: Complete Q&A with Verified Solutions-2025/2026

Subculturing - transfer of a microorganism from one medium to another. Pure culture - A culture containing only one type of organism. Streak plate - Isolation method done by streaking the culture across an agar plate several times in order to dilute the sample. The outcome being individual colonies on the plate. Spread plate - Isolation method done by serial dilutions of culture followed by spreading the diluted culture on a plate. Filiform - Form of colony seen on SLANT: continuous, threadlike growth with smooth edges Echinulate - Form of colony seen on SLANT: continuous, threadlike growth with irregular edges Beaded - Form of colony seen on SLANT: nonconfluent to semiconfluent colonies Effuse - Form of colony seen on SLANT: thin, spreading growth