Exam 1: Introduction to Microbes and Their Building Blocks

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Which of the following is a scientific name?

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

The Nobel Prize was awarded to Kary Mullis in 1993 for inventing what technique to amplify and subsequently analyze DNA?

Using microbes to detoxify a site contaminated with heavy metals is an example of ________.

All of the following are polysaccharides except

The structure of proteins is complex and unique, and only specific molecules can interact with their surface features. The natural shape of each protein is termed the native state. When proteins are exposed to heat, acid, or alcohol, their shape is disrupted and they become nonfunctional or ________.

The study of evolutionary relationships among organisms is called ________,

The nurse implements an extensive nutrition education plan for Breonna, beginning at the molecular level. Carbohydrates, lipids, proteins, and nucleic acids are the four main families of biological molecules referred to as ________.

Characteristics shared by all cells include

If you were a microbiologist in 1950, which of the following scientific principles would you already know?

The purine_______ always binds with the pyrimidine_______ in DNA and RNA.

Which is not true about enzymes?

Koch's postulates are criteria used to establish that

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called ________.

Hand washing in the healthcare environment is aimed at reducing the number of microbes in the medical setting to prevent the spread of infection and disease. Which of these terms best represents this technique?

The RN applies therapeutic communication techniques to assess of Ms. Smith's understanding of the principle of sterility. Her statement of "I need to sterilize myself and my environment of all germs so I do not get sick" would be best followed by which of the following questions by the RN?

Which of the following statements correctly determines the process when following the scientific method?

The acceptance or rejection of a hypothesis is based on a series of educated guesses and opinions. Once the opinion is widely accepted it becomes a theory.

All microorganisms are considered pathogens.