Microbiology - Chapter 4

3. What would be the best hypothesis to explain why the highest incidence of giardiasis occurred in the summer and early fall?

These are the months when recreational water use is highest

4. What transports proteins between the ER and the Golgi apparatus?

Transitional vesicles

Which of these organisms has the best potential to survive in extreme environments?

Trophozoite form of protozoa INCORRECT

1. True or False: The total number of cases in November exceed that of July and September combined.

True

True or False: The total number of cases in the year 2011 exceeded that of the number of cases across the five-year span of 1998-2002.

True

Long, threadlike fungal cells are called _________, and an intertwined mass of these cells is called a _________.

hyphae; mycelium

1. True or false: Coccidioides immitis is a member of Domain Bacteria.

False

1. True or false: Giardia lamblia is a prokaryotic organism.

False

Mastigophora

Giardiasis

Choose the term that best describes the role of protozoan cysts.

Protozoan cysts are a survival form that allows them to survive adverse environmental conditions between hosts.

Sarcodina

Amoebiasis

Heterotrophic

Acquisition of nutrients from organic materials (substrates)

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

All of the choices are correct.

3. Which of the following drugs will be useful in the treatment of this disease?

Antiprotozoal drugs

2. What state usually has the highest prevalence of coccidioidomycosis?

Arizona

Produced by the mitotic division of a single parent cell

Asexual spores

Choose the statement that correctly describes the major difference between bacterial and eukaryotic ribosomes.

Bacterial and eukaryotic ribosomes differ in size.

2. Based on the patient's history and chest X-ray results, what was the initial diagnosis?

Bacterial pneumonia

Ciliophora

Balantidiosis

3. What statement best summarizes the data?

Cases of coccidioidomycosis rose sharply between 2008 and 2011, but are now declining.

2. The identification of which structures, produced by the pathogen, in the stool specimen aided in the patient's diagnosis?

Cysts

3. What macromolecule never leaves the nucleus?

DNA

Nuclelous

Dense granular mass made of RNA, which is the site of ribosomal RNA synthesis and ribosomal subunit assembly

3. Why was amphotericin B effective in treating this patient's disease?

It is an antifungal medication

Sporozoa

Malaria

1. Select the answer that represents the correct order of structures involved in protein synthesis and secretion.

Nucleus, rough ER, transitional vesicle, Golgi apparatus, secretory vesicle

parasite

Organism that lives in or on another organism for the purpose of acquiring nutrients

saprobe

Organism that obtains nutrients from the remnants of dead plants and animals

What cellular structure is directly involved in converting the "message" found in a nucleic acid into a specific sequence of amino acids to make a protein?

Ribosome

2. What type of endoplasmic reticulum is involved in protein synthesis?

Rough ER

2. The greatest increase in the number of reported cases of giardiasis occurred between which two months?

September and October

Produced by the union of genetic material from two different strains

Sexual spores

5. What is exocytosis?

The release of large particles to the outside of the cell

Chromosomes

composed of dna, genetic information of the cell

nuclear envelope

double membrane with pores