Chapter 5 assignment

Which of the following is not useful to determine whether a clinical isolate is a bacterium, fungus, or protozoan?

all the choices correct

Mitochondria likely originated from

bacteria

It appears that the last common ancestor "luca" gave rise to which cell type?

bacteria archea eukaryote

The two major types of helminths based on body type are the _________ which includes the tapeworms, and the ___________, which are also known as nematodes?

flatworms roundworms

Which protozoan listed here also uses that same means of locomotion?

giardia

Protozoans would likely be ________ bacteria under the brightfield microscope.

larger than

Which structure is found within the nucleus and is involved in the synthesis of ribosomal RNA?

nucleolus

Chloroplasts are the site of what process in eukaryotic cells?

photosynthesis

In both eukaryotes and bacterial cells, ribosomes are responsible for the synthesis of ?

proteins

Amoeba utilize what structures for motility?

pseudopods

Fungi produce which structures for reproduction and multipication?

spores

The major difference between bacterial and eukaryotic cytoplasmic membranes is the presence of ________which are molecules that are typically found in eukaryotic cytoplasmic membranes but lacking in bacterial cytoplasmic membranes?

sterols

Choose the statement that best describes the role of mitochondria?

Provide cell with energy through cell respiration

Which groups represent eukaryotic organisms?

Algae, Protozoa, Helminths, Fungi

In contrast to bacterial cell walls that contain peptidoglycan , eukaryotic cell walls are constructed of either?

chitin or cellulose

When environmental conditions become unfavorable, many protozoa produce?

cysts

The Gram stain would show red cells in clinical specimens from a patient infected with a protozoan?

false

What means of locomotion is used by Trypanosoma?

flagella