Exam 1: Introduction to Microbes and Their Building Blocks

Organisms were classified into kingdoms as they were defined. Which list reflects the order of discovery of the kingdoms as we know them today?

Which of the features listed below is not found in all cells?

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on ________.

Wanda is receptive to the nurse's teaching. In reinforcing the prevalence of microbes in our environment, the nurse describes the experiments of Louis Pasteur. Pasteur hypothesized that microbes were in the air and dust. Through experiments using swan-necked flasks, he disproved the concept of ________.

When humans manipulate the genes of microorganisms, the process is called ________.

The scientist(s) who proposed organisms be assigned to one of three domains is(are) ________.

Select the correct descending taxonomic hierarchy:

During protein synthesis, ________ RNA is made as a copy of a gene from DNA.

The alpha helix is a type of ________ protein structure.

Which of the following is not a human use of microorganisms?

A scientific theory, like the theory of evolution, is just our best guess at explaining a scientific phenomenon, but a theory cannot be considered fact.

Taxonomy does not involve ________.

Which of the following is not considered a microorganism?

Despite the lack of a membrane-bound nucleus, bacteria and archaea are cells with a complex organizational structure.

Most biochemical macromolecules are polymers, which are chains of ________.

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?

All microorganisms are best defined as organisms that ________.

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

Which of the following is not a pyrimidine?

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