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Questions and Answers
What is the term used to describe a visible mass of bacterial cells all derived from a single common ancestor?
What is the term used to describe a visible mass of bacterial cells all derived from a single common ancestor?
- Population
- Culture
- Colony (correct)
- Clone
Which type of bacteria thrive in environments with high salt concentrations?
Which type of bacteria thrive in environments with high salt concentrations?
- Mesophiles
- Psychrophiles
- Capnophiles
- Obligate halophiles (correct)
How do bacteria protect themselves against oxygen and peroxides?
How do bacteria protect themselves against oxygen and peroxides?
- By forming endospores
- By producing catalase and peroxidase enzymes (correct)
- By altering their genetic material
- By increasing their metabolic rate
What term describes the ability of bacteria to communicate and coordinate behavior through the release of signaling molecules?
What term describes the ability of bacteria to communicate and coordinate behavior through the release of signaling molecules?
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Which method of measuring bacterial growth involves counting colonies on an agar plate?
Which method of measuring bacterial growth involves counting colonies on an agar plate?
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What enzyme is responsible for unwinding the DNA double helix during replication?
What enzyme is responsible for unwinding the DNA double helix during replication?
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