Exam 2: A Brief Journey to the Microbial World

Meiosis is the process by which haploid gametes are formed.

Organisms of the genus Halobacterium can grow within salt crystals.

According to our present understanding, mitochondria and chloroplasts are_________ in origin.

RNA- based phylogenies have influenced which subdiscipline(s) of microbiology?

Compare and contrast algae and cyanobacteria.

The Picrophilus are the most alkaliphilic prokaryotes known.

If the magnification of an ocular lens of a particular microscope is 10× and the magnification of the objective on the same microscope is 47×, the total magnification achieved is

In relation to eukaryotic cells, prokaryotic cells are generally

Why are the Archaea so difficult to study in the laboratory?

Explain the similarities and differences between viruses and true cells.

Explain the role of the methanogens in ecological studies.

The cyanobacteria were the first oxygenic phototrophs to evolve on Earth.

The evolutionary relationships between organisms are studied in the science of _________.

To say that an organism is an "obligate intracellular parasite" means __________ .

The two eukaryotic organelles involved in energy generation are _________and_________ .

The unique feature of the mycoplasmas is the _________.

The measure of the light- gathering ability of the objective lens is known as the_________ .

The cytoplasmic membrane is the

Phototrophs use light as an energy source.

The largest division (or phylum) of Bacteria is the __________ .