Exam 1: Introduction to Microbes and Their Building Blocks

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

The alpha helix is a type of ________ protein structure.

Many chronic conditions are found to be associated with microbial agents.

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

The names of the three domains are: Bacteria,Protista,and Eukarya (Eukaryota).

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution.If chemical analysis was performed to identify the contents of each beaker,which of the following would be found in the beaker of DNA but not in the beaker with glucose?

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

Cells,like bacteria and archaea,that do not have a nucleus in their cells have traditionally been called ________.

The building blocks of an enzyme are ________.

Which pertains to DNA but not to RNA?

Which area of biology states that living things undergo gradual,structural,and functional changes over long periods of time?

All microorganisms are considered pathogens.

Microbes have been found existing in salty,acidic lakes.

Breonna Jones is 16 years old, 5'4", and weighs 93 lb. She was admitted to an inpatient medical unit 2 days ago after collapsing at the local high school. Her parents knew she was skinny and had lost weight in the past few months, but had no idea that her life was in danger. The medical team has instituted treatment for anorexia nervosa. As you develop Breonna's nursing plan of care, you take into consideration the four major biological molecules that are building blocks of all cells -You inform Breonna that it is important for her to maintain a diet rich in carbohydrates,lipids,and proteins,so that each of these macromolecules can be metabolized to form a high-energy compound called ________.

All microorganisms are best defined as organisms that ________.

Organic chemicals always have a basic framework of the element ________ bonded to other atoms.

A scientist studying helminths is working with bacteria.

Which of the following is not considered a microorganism?

Select the correct descending taxonomic hierarchy:

Once an organism is assigned to a particular taxonomic hierarchy,it is permanent and cannot be revised.