Bacterial Growth

A microorganism that can thrive in the presence of oxygen, but does not require it to grow would be a ___.

• aerotolerant

• facultative anaerobe

• obligate aerobe

• obligate anaerobe

Tags

NGSS.HS-LS2-3

What microbes can grow in an environment that has low pH?

• Acidophile

• Neutrophile

• Alkalophile

The optimum temperature where most bacteria can survive

• 31-40

• 30-37

• 31-41

• 30-39

tolerate cold, doesn't like it, but can survive0 to 30 degrees C

• psychrophiles

• psychrotrophs

• mesophiles

• thermophiles

Grow at alkaline or high pH (7 to 12 or higher)

• Acidophiles

• Neutrophiles

• Alkaliphiles

Microbes that grow in cold temperature

• Psychrophile

• Mesophile

• Thermophile

What is happening because bacteria became more resistant to antibiotics.

• Bacteria are dying out.

• Humans are increasing in population.

• Antibiotics are becoming weaker.

• Bacteria are starting to multiply and grow

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Which phase of bacterial growth is characterized by rapid cell division?

• Lag phase

• Log phase

• Stationary phase

• Death phase

What is the primary factor that limits bacterial growth in a closed environment?

• Nutrient availability

• Temperature

• Oxygen levels

• Light exposure

In a laboratory experiment, which method is commonly used to measure bacterial growth?

• Spectrophotometry

• Chromatography

• Electrophoresis

• Centrifugation