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Quiz Preview 9,Biology & Microbiology - Molecular And Microbiology
1
Free
Answer the following statements true (T) or false (F)
in
Biology & Microbiology
1. Slime molds possess characteristics of both fungi and protozoa.
2. Protozoa in the category known as Mastigophora move by means of cilia.
3. A dimorphic fungus would exist as a mold inside the human body.
4. The organism that causes a “red tide” is an alga.
5. Volvox is a multicellular alga.
molecular-and-microbiology
1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. TRUE
2
Free
Match the following items with the correct phrase.
in
Biology & Microbiology
_______1. Yeasts and molds are examples of ____________________.
_______2. All ____________________ are photosynthetic.
_______3. ____________________ are classified by their means of locomotion.
_______4. The cell walls of ____________________ contain chitin.
_______5. The cell walls of ____________________ contain cellulose.
_______6. ____________________ rarely cause infectious diseases, but cause a variety of microbial intoxications.
_______7. ____________________ are examples of a symbiotic relationship known as mutualism.
_______8. ____________________ cause diseases such as African sleeping sickness, babesiosis, cryptosporidiosis, malaria, and toxoplasmosis.
_______9. Diseases caused by ____________________ are called mycoses.
_______10. Toxins produced by ____________________ are called phycotoxins.
molecular-and-microbiology
1. b. fungi
2. a. algae
3. d. protozoa
4. b. fungi
5. a. algae
6. a. algae
7. c. lichens
8. d. protozoa
9. b. fungi
10. a. algae
3
Free
A lichen represents a symbiotic relationship between which of the following pairs?
in
Biology & Microbiology
A) a fungus and an ameba
B) a yeast and an ameba
C) an alga and a cyanobacterium
D) an alga and a fungus
molecular-and-microbiology
D) an alga and a fungus
4
Free
If a dimorphic fungus is causing a respiratory infection, which of the following might be seen in a sputum specimen from that patient?
in
Biology & Microbiology
A) amebae
B) conidia
C) hyphae
D) yeasts
molecular-and-microbiology
D) yeasts
5
Free
Which one of the following terms is not associated with fungi?
in
Biology & Microbiology
A) conidia
B) hyphae
C) mycelium
D) pellicle
molecular-and-microbiology
D) pellicle
6
Which one of the following is not a fungus?
in
Biology & Microbiology
A) Aspergillus
B) Candida
C) Penicillium
D) Prototheca
molecular-and-microbiology
7
A stigma is a:
in
Biology & Microbiology
A) light-sensing organelle.
B) primitive mouth.
C) thickened membrane.
D) type of plastid.
molecular-and-microbiology
8
A protozoan may possess any of the following except:
in
Biology & Microbiology
A) cilia.
B) flagella.
C) hyphae.
D) pseudopodia.
molecular-and-microbiology
9
All of the following terms can be used to describe hyphae except:
in
Biology & Microbiology
A) aerial and reproductive.
B) septate and aseptate.
C) sexual and asexual.
D) vegetative.
molecular-and-microbiology
10
All of the following are fungi except:
in
Biology & Microbiology
A) molds.
B) Paramecium.
C) Penicillium.
D) yeasts.
molecular-and-microbiology
11
All of the following are algae except:
in
Biology & Microbiology
A) desmids.
B) diatoms.
C) dinoflagellates.
D) sporozoa.
molecular-and-microbiology
12
Which of the following statements about algae and fungi is/are true?
in
Biology & Microbiology
A) Algae are photosynthetic, whereas fungi are not.
B) Algal cell walls contain cellulose, whereas fungal cell walls do not.
C) Fungal cell walls contain chitin, whereas algal cell walls do not.
D) All of the above
molecular-and-microbiology
13
Match the following items with the correct phrases.
in
Biology & Microbiology
_______1. endoplasmic reticulum
_______2. capsids
_______3. chromosomes
_______4. plastids
_______5. cilia
_______6. mitochondria
a. found in both procaryotes and eucaryotes
b. found only in procaryotes
c. found only in eucaryotes
d. not found in either procaryotes or eucaryotes
molecular-and-microbiology
14
Match the following items with the correct phrases.
in
Biology & Microbiology
_______1. Membrane-bound organelles where photosynthesis occurs.
_______2. The sites of protein synthesis in procaryotic cells.
_______3. Membrane-bound organelles where energy is produced by the Krebs cycle and electron transport chain.
_______4. Short, hairlike projections that are used as organelles of locomotion by some eucaryotic cells.
_______5. Found in procaryotic cells as well as eucaryotic cells.
_______6. The sites of protein synthesis in eucaryotic cells.
molecular-and-microbiology
15
Match the following items with the correct phrases.
in
Biology & Microbiology
_______1. Have an internal organization described as a “9 + 2” arrangement of microtubules.
_______2. A type of glycocalyx having an organized structure and found firmly attached to bacterial cell walls.
_______3. Some play a role in bacterial conjugation (“bacterial mating”).
_______4. They often serve an antiphagocytic function.
_______5. Terms like monotrichous and peritrichous describe their location.
_______6. Some of these thin, hairlike appendages enable bacteria to adhere to surfaces.
_______7. Some Pseudomonas species produce this type of glycocalyx, which lacks an organized structure and is only loosely attached to the bacterial cell wall.
_______8. Used to make Hib vaccine.
a. pili
b. slime layer
c. procaryotic flagella
d. capsules
e. eucaryotic flagella
molecular-and-microbiology
16
Match the following items with the correct phrases.
in
Biology & Microbiology
_______1. Found in the cell walls of both Gram-positive and Gram-negative bacteria, but greater quantities are found in the cell walls of Gram-positive bacteria.
_______2. Found in the cell walls of algae, but not in the cell walls of other microorganisms.
_______3. Found in the cell walls of Gram-positive bacteria, but not in the cell walls of Gram-negative bacteria.
_______4. Found in the cell walls of fungi, but not in the cell walls of other microorganisms.
_______5. Found in the cell walls of both Gram-positive and Gram-negative bacteria, but not found in the cell walls of archaeans.
a. cellulose
b. chitin
c. peptidoglycan
d. teichoic acids
molecular-and-microbiology
17
Which one of the following is never found in prokaryotic cells?
in
Biology & Microbiology
A) flagella
B) capsule
C) cilia
D) ribosomes
molecular-and-microbiology
18
Which of the following is in the correct sequence?
in
Biology & Microbiology
A) Kingdom, Class, Division, Order, Family, Genus
B) Kingdom, Division, Class, Order, Family, Genus
C) Kingdom, Division, Order, Class, Family, Genus
D) Kingdom, Order, Division, Class, Family, Genus
molecular-and-microbiology
19
Answer the following statements true (T) or false (F)
in
Biology & Microbiology
1. One way that archaeans differ from bacteria is that archaeans possess more peptidoglycan in their cell walls.
2. Chitin is found in the cell walls of algae, but is not found in the cell walls of any other types of microorganisms.
3. Tyndallization is a process that kills spores as well as vegetative cells.
4. Procaryotic cells do not contain endoplasmic reticulum, Golgi bodies, mitochondria, plastids, or membrane-bound vesicles.
5. In eucaryotic cells, ribosomal RNA (rRNA) molecules are manufactured in the nucleolus.
molecular-and-microbiology
20
Answer the following statements true (T) or false (F)
in
Biology & Microbiology
1. The internal structure of procaryotic flagella is the same as the internal structure of eucaryotic flagella.
2. The internal structure of eucaryotic cilia is the same as the internal structure of eucaryotic flagella.
3. The production of endospores by bacteria is a reproductive mechanism.
4. Bacteria never have cilia and eucaryotic cells never have pili.
5. The 3-Domain System of classification is based on differences in the structure of transfer RNA (tRNA) molecules.
molecular-and-microbiology
21
Of the following, which one is not found in procaryotic cells?
in
Biology & Microbiology
A) cell membrane
B) chromosome
C) mitochondria
D) plasmids
molecular-and-microbiology
22
Match the following items with the correct phrases.
in
Biology & Microbiology
_______1. Short, hairlike projections used as organelles of locomotion by some eucaryotic cells.
_______2. Found on some bacteria; they serve an antiphagocytic function.
_______3. Found on some bacteria; they enable the bacteria to adhere to surfaces.
_______4. Composed of a protein called flagellin.
_______5. Long, whiplike structures having an internal organization that is described as a “9 + 2” arrangement of microtubules.
a. pili
b. cilia
c. eucaryotic flagella
d. capsules
e. procaryotic flagella
molecular-and-microbiology
23
The Three-Domain System of classification is based on differences in which one of the following molecules?
in
Biology & Microbiology
A) mRNA
B) peptidoglycan
C) rRNA
D) tRNA
molecular-and-microbiology
24
The semipermeable structure controlling the transport of materials between the cell and its external environment is the:
in
Biology & Microbiology
A) cell membrane.
B) cell wall.
C) cytoplasm.
D) nuclear membrane.
molecular-and-microbiology
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