19.4 Flash cards GP. B

Front

What are the three most common shapes of bacteria?

Back

rod, spiral, sphere

Front

Why are bacteria and archaea classified into different domains?

Back

Bacteria have peptidoglycan in their cell wall while archaea don't.

Front

Scientists estimate that only 1 percent of prokaryotes can be grown in the lab. What does this suggest about our knowledge of bacteria and archaea?

Back

We do not know much about prokaryotes. O

Front

Name 3 kinds of foods which require bacteria for their production?

Back

dairy products such as cheese and yogurt, soy products such as tofu and soy sauce, and pickled foods

Front

What role do bacteria play in agriculture?

Back

nitrogen fixation

Front

What are two ways in which prokaryotes that live within our bodies are helpful to us?

Back

They provide nutrients, and they fill niches that might otherwise be filled by pathogenic bacteria.

Front

When there is a toxic chemical spill, sometimes workers will spray bacteria over the contaminated area. Why might they do this?

Back

The bacteria can digest the chemicals, converting them into harmless or less-harmful compounds.