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

You discover a new bacterium in a pond. You stain the new bacterium and observe pink rod bacteria. What can you conclude from this?

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

These substances are found in the Gram-positive cell wall.

These microbes ferment to make yogurt and cheese.

This specialized cell in the cyanobacterium Anabaena fixes nitrogen gas.

In general, fungi derive nutrients through _______.

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-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?