Halobacterium is a an archeaon that requires extremely high salt concentrations to live, what type of microbe is it?

A microbiologist discovered a new species of microbe. She determined that the cell walls of the newly discovered microbe were made of pseudomurein. Based on that information she classified the microbe as a Archaean. 

The process of converting ammonia into nitrates is called

How many micrometers (μm) are in a meter?

Filamentous hyphae are typical structures found in Archaea

Cholera and diphtheria are disease that are caused by the production of a toxin. The bacteria responsible for these diseases have acquired the ability to product the toxin via phage conversion. What does this mean? 

Where could a microbiologist find an O-specific side chain?

The cytoskeleton of a typical eukaryotic cell contains all of the following except

What is the main function of inclusion bodies found in bacteria?

Salvador has been married for 6 months. He was married at the age of 28 years after dating his wife Matilda for 2.5 years. He notices increased arguing between him and his wife. The arguments often center on his feelings that she does not really care about his needs as a person. Matilda often wants to have sexual contact with Salvador, which he appreciates, but Salvador worries and wonders whether Matilda really values him and needs him like he needs her. Matilda complains that Salvador needs to relax, unwind, have fun, and enjoy each other from a sexual standpoint. Which issue below is most problematic in predicting future relationship problems for Salvador and Matilda?