Back Off Bacteria (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What characteristic classifies bacteria as prokaryotes?
What characteristic classifies bacteria as prokaryotes?
They lack a nucleus & membrane organelles
When do bacteria become pathogenic?
When do bacteria become pathogenic?
When in an area they don't normally live
Who discovered penicillin in 1928?
Who discovered penicillin in 1928?
Alexander Fleming
What is a characteristic of broad-spectrum antibiotics?
What is a characteristic of broad-spectrum antibiotics?
They affect a wide variety of bacteria
What is the zone of inhibition?
What is the zone of inhibition?
Diameter of clear area with no bacteria
What does a larger zone of inhibition indicate?
What does a larger zone of inhibition indicate?
The antibiotic is more effective
Why are bacterial plates incubated at 37°C?
Why are bacterial plates incubated at 37°C?
It mimics human body temperature
Why must forceps be sterilized before use?
Why must forceps be sterilized before use?
To prevent contamination
Why wait 2 minutes after applying bacteria to agar?
Why wait 2 minutes after applying bacteria to agar?
For bacteria to penetrate into agar
What does symbiotic mean regarding bacteria on our bodies?
What does symbiotic mean regarding bacteria on our bodies?
They coexist without causing harm