These thin structures found on the bacterial surface are used to transfer DNA from one cell to another and are used in twitching motility.

The flagellar arrangement seen below is when a single flagellum or bunches of flagella found at both ends or poles of the bacterial cell.    

You are interested in studying the mold that grows on the Cherry Blossom trees in Washington D.C.  You are considered a/n _____________________________.

It is believed that some eukaryotic organelles originate from prokaryotes. What is some evidence of this?

You are staining a Gram-negative bacterium and forgot the crystal violet step (but continued with the rest of the procedure). What result do you expect at the end of the Gram stain?

What are some problems associated with NTDs?

These tiny intracellular Gram-negative bacteria  are transmitted via arthropods like fleas and ticks. They are the causative agent for Rocky Mountain Spotted Fever and Typhus.

You are staining a Gram-positive bacterium and forgot the mordant step (but continued with the rest of the procedure). What result do you expect at the end of the Gram stain?

This structure is used to classify bacteria into groups.

Which of the following is an important role algae play in the environment?