Bacteria

Front

What is a defining characteristic of bacterial cells?

Back

Bacterial cells lack a nucleus.

Front

Are most bacteria harmful to humans?

Back

No, most bacteria are not harmful to humans.

Front

What is the shape of bacteria known as 'bacillus'?

Back

Bacillus refers to rod-shaped bacteria.

Front

What term is used for bacteria that help break down dead material in the environment?

Back

Decomposers.

Front

What type of organisms are bacteria classified as?

Back

Bacteria are single-celled living organisms.

Front

What is the primary role of decomposer bacteria in the ecosystem?

Back

Decomposer bacteria break down dead organic matter, recycling nutrients back into the environment.

Front

What are the two main categories of bacteria based on their shape?

Back

Cocci (spherical) and bacilli (rod-shaped).

Front

What is the significance of bacteria in human health?

Back

Many bacteria are beneficial and play essential roles in digestion and immunity.

Front

How do bacteria reproduce?

Back

Bacteria reproduce asexually through a process called binary fission.

Front

What is the difference between pathogenic and non-pathogenic bacteria?

Back

Pathogenic bacteria cause disease, while non-pathogenic bacteria do not.