Kuis Bakteri dan Fermentasi

The main components that make up about 50% of the dry weight of bacterial cells are ...

• Nitrogen

• Carbon

• Phosphorus

• Sulfur

• Protein

Escherichia coli has a generation time of about ...

• 5 minutes

• 20 minutes

• 1 hour

• 6 hours

• 24 hours

Human pathogenic bacteria mostly belong to the group ...

• Psychrophiles

• Mesophiles

• Thermophiles

• Hyperthermophiles

• Halophiles

Bacteria that can live well with or without oxygen are called ...

• Obligate aerobes

• Obligate anaerobes

• Aerotolerant anaerobes

• Facultative anaerobes

• Microaerophilic

Campylobacter jejuni grows optimally under conditions ...

• Without oxygen at all

• High oxygen

• Low oxygen

• High CO₂

• Temperature >80 °C

An example of bacteria that require an atmosphere with high CO₂ is ...

• E. coli

• Mycobacterium tuberculosis

• Clostridium tetani

• Neisseria gonorrhoeae

• Salmonella typhi

The main difference between fermentation and respiration is ...

• Fermentation requires oxygen, respiration does not

• Respiration produces less energy than fermentation

• Fermentation produces less energy than respiration

• Respiration only occurs in anaerobes

• Fermentation only occurs in aerobes

MacConkey agar is a type of media that is ...

• Nonselective

• Selective

• Differential

• Selective and differential

• Enriched

The media used to grow Haemophilus influenzae is ...

• Blood agar

• MacConkey agar

• Chocolate agar

• Nutrient agar

• Selenite broth

The liquid media with an agar concentration of 0.2–0.5% used for testing bacterial motility is ...

• Broth

• Solid agar

• Semisolid

• Enrichment broth

• Biphasic