Enriched medium

Selective and differential medium

Differential medium

Selective medium

The technician may fail to differentiate bacterial species due to the lack of selective agents in general-purpose media

The fastidious microorganisms might not grow optimally, potentially impacting the reliability of test results

The use of general-purpose media may inhibit the growth of non-fastidious organisms, leading to a false-negative result

The use of general-purpose media will accelerate the growth of fastidious organisms, leading to quicker identification

By providing a nutrient-rich environment for bacterial growth

By allowing bacteria to produce toxins

By revealing the colony morphology and haemolytic patterns of bacteria

By increasing the growth rate of slow-growing bacteria

Pure cultures contain a variety of bacterial species, while mixed cultures have only one species

Pure cultures are used only in industry, while mixed cultures are used only in research

Pure cultures consist of a single bacterial species, while mixed cultures have multiple species

Pure cultures are obtained from animals, while mixed cultures are obtained from plants

spindle

rhizoid

irregular

mucoid

umbonate

entire

irregular

erose

lobate

pulvinate

They are called aggregates and result from cellular apoptosis

They are called cultures and result from growing mixed bacterial strains together

They are called colonies and form from the growth of one bacterial cell

They are called colonies and form through the fusion of bacterial cells

It focuses on counting bacterial cells in a sample

It studies genetic traits passed down in bacterial populations

It involves observing the physical characteristics of bacterial colonies to aid in species identification

It refers to microscopic examination of bacterial cell structure

Gently agitate the mixture to disperse bacteria evenly

Use a liquid medium to grow the bacteria

Add an antibiotic to suppress unwanted bacteria

Use the streak dilution technique to obtain isolated colonies on an agar plate

rhizoid

umbonate

iridescent

smooth

wrinkled