Quiz 6: Bacterial and Archaeal Diversity

Lab quiz number 6

What are the three domains of life?

Archaea, Bacteria, Eukarya.

Who is considered the father of microbiology?

Antonie van Leeuwenhoek.What did Leeuwenhoek discover using his microscope?

What did Leeuwenhoek discover using his microscope?

"Animalcules" (microorganisms).

What is the most common method of bacterial reproduction?

Binary fission.Name two types of asexual reproduction in bacteria.

Name two types of asexual reproduction in bacteria.

Budding and fragmentation.

What are acid-fast bacteria resistant to?

Decolorization by acids during staining.

What is the term for the shape, size, color, and texture of bacterial colonies?

Colony morphology

What are prokaryotes?

Single-celled organisms without a nucleus or membrane-bound organelles.

What does LUCA stand for?

Last Universal Common Ancestor.

Which group of bacteria oxygenated the Earth’s atmosphere?

Cyanobacteria

What are microbial mats?

Multi-layered sheets of bacteria and archaea.

What are stromatolites?

Fossilized structures formed by the activity of microbial mats, particularly cyanobacteria, often found in shallow water.

Where can modern stromatolites be found?

Shark Bay, Australia, and Anza-Borrego Desert, California.