Exam 1: Introduction to Microbes and Their Building Blocks

Many microbes that inhabit the skin have the potential to cause disease. One such pathogen is Staphylococcus aureus. The genus name of this organism is most properly represented as ________.

Helminths are ________.

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

The orderly arrangement of organisms into a hierarchy of taxa is called ________.

The most important outcome of polypeptide intrachain bonding and folding is the unique shape of the protein.

Viruses may also be transmitted to patients, even though they differ from bacteria in that they are ________.

The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was ________.

Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure?

Which scientific name is written correctly?

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Which scientist showed that anthrax was caused by the bacterium, Bacillus anthracis?

The term sterile means free of all life forms.

Microorganisms have inhabited the Earth for billions of years, and can be found inhabiting a variety of environments. In fact, microbes performing anoxygenic photosynthesis led to the oxygenation of early Earth's atmosphere. These ancient organisms were ________.

Which of the following is a taxon that contains all the other taxa listed?

Current evidence indicates that bacteria and archaea existed on earth for approximately 2 billion years before eukaryotes appeared.

When assigning a scientific name to an organism,

Purines and pyrimidines are components in the building block units of all ________.

Which list correctly ranks the microorganisms from largest to smallest?

One nucleotide contains ________.

Microbes have been found existing in salty, acidic lakes.