Using the dichotomous key above, identify the unknown organism. Gram stain results: purple, circular cells that are catalase negative.

Place into the correct order, the steps of binary fission.    I. Cell enlarges, separating DNA    II. Cross wall forms completely    III. Cell membrane invaginates    IV. Cells seperate    V. DNA replicates

Bacteria in the phylum Firmicutes are distinguished from the phylum Actinobacteria on the basis of

Which of the following is an incorrectpairing?

The microscope offering the best contrast for viewing living unstained specimens is the ________ microscope.

What can be found in prokaryotes, eukaryotes, and viruses?

Osmosis is a specific form of

Which type of microscopy uses direct UV light to view bioluminescent specimens?

When a substrate produced from an enzymatic pathway is used to regulate its own production, it is known as (be specific)

ETC/Chemiosmosis occurs in the ________ of prokaryotic cells and the _________ of eukaryotic cells