What is Micro? Quiz

Where can the most dangerous microbes be commonly found? ---in water ---hospitals ---on your hands ---in the air

---

Based on our current knowledge, which Domain does not contain any species that act as pathogens or parasites of humans or animals?? ---Fungi ---Archaea ---Eukarya ---Bacteria

Archaea

Cell walls lack peptidoglycan, and often live in extreme environments. ---Bacteria ---Archaea ---Viruses ---Eukarya

Archaea

What are the three currently accepted domains? ---Bacteria, Prokaryota, and Eukarya ---Bacteria, Fungi, and Protista ---Archaea, Bacteria, and Eukarya ---Archaea, Prokaryota, and Eukaryota

Archaea, Bacteria, and Eukarya

Cell Walls made of peptidoglycan are a unique feature of which Domain of Life? ---Bacteria ---Monera ---Eukarya ---Archaea

Bacteria

Have cell walls made of peptidoglycan. ---Bacteria ---Archaea ---Viruses ---Eukarya

Bacteria

Which of the following Domains contain Prokaryotes? ---Bacteria and Archaea ---Archaea only ---Eukarya only ---Bacteria only

Bacteria and Archaea

Which of the following accurately describes how bacteria and viruses typically compare in size? ---Bacteria are indistinguishable from viruses ---Bacteria are much larger than viruses ---Bacteria are similar in size to viruses ---Bacteria are much smaller than viruses.

Bacteria are much larger than viruses

All organisms in this group have cells that contain a nucleus. ---Bacteria ---Archaea ---Viruses ---Eukarya

Eukarya

Which Domain of Life includes some unicellular species and multicellular species? ---Bacteria ---Archaea ---Eukarya

Eukarya

Which Domain of Life is the only one that contains multicellular organisms (some of which are still microscopic despite being multicellular!)? ---Bacteria ---Prokaryota ---Eukarya ---Archaea

Eukarya

Microbes can be found:

Everywhere

All organisms studied in the field of microbiology are visible only with a microscope. ---True ---False

False

Animal cells are generally about the same size as bacterial cells. ---True ---False

False

Which of the following is true of the microbial world? ---All microbes are harmful ---Most microbes are pathogenic ---Humans could survive without microbes ---Many microbes are helpful

Many microbes are helpful

______ is the study of organisms that are too small to be seen by the unaided eye.

Microbiology

________ are microbes that are harmful (cause illness or disease).

Pathogens

The term that best fits all cells lacking a nucleus is: ---fungi ---bacteria ---prokaryote ---eukaryote

Prokaryote

Viruses not included in phylogenetic trees (Tree of Life) for which of the following reasons? ---They are acellular and nonliving ---They lack a nucleus ---It is too difficult to observe their characteristics ---They do not have any genes, which prevents genetic analysis

They are acellular and nonliving

Which of the following is not true of archaeans? ---They are genetically distinct from bacteria ---They are only found in extreme environments ---Some species live on the human body ---They have substantial metabolic differences from bacteria

They are only found in extreme environments

In Eukarya, the only species that have cell walls belong to Plants, Fungi, or one of the many groups of Algae. ---True ---False

True

Are not made of cells, but still have DNA and proteins as their basis of structure. ---Bacteria ---Archaea ---Viruses ---Eukarya

Viruses

In which Domain(s) of Life do unicellular species belong to? (Hint: select all that apply - as there is more than 1 correct option) ---Eukarya ---Bacteria ---Archaea

all?