Time for bacteria to double in size and split into two growth curve

Lag phase

Log phase/ exponential growth phase

Stationary phase

Death phase/ logarithmic decline

Psychrophiles

Psychrotrophs

Mesophiles

Thermophiles

Hyperthermophiles

Acidophiles, alkaliphiles, neutrophiles

Require hugh concentration for growth

Grows at extremely high concentration nearly 30%

Require high salt but can grow at concentration up tp 2%

Get carbon from there source of energy (chon, cho, lipids)

Get carbon from carbon dioxide

Nutrient material prepared for microbial growth

Complex polysaccharide derived from marine algae

Visible growth of microbes on the surface if a medium

Exact chemical composition is known

For non fastidious organisms

Made up of nutrients from different sources

Example of chemically defined

To increase very small numbers to detectable levels; for fastidious

Example of enriched media

For OBLIGATE anaerobes

Example of anaerobic media

Sda/ pda

LJ

Loeffler's

TCBS

Skirrow's

Chocolata/ blood

Legionella pneomophila

Thayer martin vcn

Leptospira interrogans