Micro Quiz 2

Description

Quiz on Micro Quiz 2, created by Jill Ly on 17/02/2018.
Jill Ly
Quiz by Jill Ly, updated more than 1 year ago
Jill Ly
Created by Jill Ly over 6 years ago
22
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Resource summary

Question 1

Question
Grouping organisms into categories to show degrees of similarities is called?
Answer
  • Systematics
  • Taxonomy
  • Hierarchy
  • Nomenclature

Question 2

Question
Which of the following statements describes the Domain Bacteria?
Answer
  • They are multicellular
  • They have linear chromosomes
  • They have prokaryotic cells
  • That have eukaryotic cells

Question 3

Question
What process can be used to increase the amount of microbial DNA to levels that can be tested by gel electrophoresis?
Answer
  • Phage typing
  • DNA fingerprinting
  • Polymerase chain reaction (PCR)
  • Western blotting

Question 4

Question
Treating DNA from different bacteria with the same restriction enzymes followed by separation of the fragments by electrophoresis is known as
Answer
  • DNA base composition
  • DNA fingerprinting
  • The nucleic acid amplification test (NAAT)
  • Ribotyping

Question 5

Question
Which of the following techniques can identify antibodies in a patient’s serum?
Answer
  • Flow cytometry
  • Southern blotting
  • Western blotting
  • Phage typing

Question 6

Question
The test that involves a reaction between known antibodies and an unknown bacterium is known as
Answer
  • ELISA
  • Phage typing
  • Flow cytometry
  • Southern blotting

Question 7

Question
Genetically related groups of eukaryotes that share a common ancestor are known as
Answer
  • Species
  • Clones
  • Strains
  • Clades

Question 8

Question
Which one of the following do NOT apply to eukaryotic cells?
Answer
  • Contain 80S ribosomes
  • Have histones
  • Have circular chromosomes
  • Exhibit growth via mitosis

Question 9

Question
Organisms that can form thin tubes called hyphae belong in the Kingdom
Answer
  • Animalia
  • Fungi
  • Plantae
  • Protista

Question 10

Question
Historically, eukaryotic organisms that did NOT fit into other kingdoms were placed into which kingdom?
Answer
  • Protista
  • Fungi
  • Plantae
  • Animalia

Question 11

Question
Fossil evidence indicates that prokaryotic cells first existed on Earth ___________years ago.
Answer
  • 3.5 billion
  • 3.5 million
  • 350,000
  • 3500

Question 12

Question
In the scientific name Staphylococcus aureus, Staphylococcus is the
Answer
  • class
  • Genus
  • Species epithet
  • Family

Question 13

Question
A clone is
Answer
  • The same as a species
  • A population of cells with similar characteristics
  • A freely interbreeding population
  • A population of cells derived from a single parent cell

Question 14

Question
The two domains of prokaryotes are
Answer
  • Bacteria and Archaea
  • Bacteria and Fungi
  • Archaea and Fungi
  • Bacteria and Protista

Question 15

Question
Which of the following bacteria LACKS a cell wall?
Answer
  • Borrelia
  • Clostridium
  • Mycoplasma
  • Mycobacterium

Question 16

Question
Which one of the following is NOT a category of Archaea?
Answer
  • Halophiles
  • Pathogens
  • Thermophiles
  • Acidophiles

Question 17

Question
Nitrogen-fixing bacteria that infect the roots of leguminous plants are known as
Answer
  • Nanobacteria
  • Cyanobacteria
  • Pseudomonads
  • Rhizobia

Question 18

Question
The largest bacterium discovered, found in sediments of the coastal waters off Namibia, belongs to the genus
Answer
  • Mycobacterium
  • Pseudomonas
  • Thiomargarita
  • Staphylococcus

Question 19

Question
Alphaproteobacteria often have stalk-like or budlike protrusions known as
Answer
  • Axial filaments
  • Myxospores
  • Prosthecae
  • Elementary bodies

Question 20

Question
Which of the following is NOT a member of the order Enterobacteriales?
Answer
  • Pseudomonas
  • Escherichia
  • Salmonella
  • Shigella

Question 21

Question
The MOST common infectious genus in the world which ONLY lives inside the cells of insects is
Answer
  • Coxiella
  • Brucella
  • Wolbachia
  • Bartonella

Question 22

Question
The phylogenetic relationship among proteobacteria is based on ________studies.
Answer
  • rRNA
  • mRNA
  • DNA
  • tRNA

Question 23

Question
Which of the following causes syphilis?
Answer
  • Treponema pallidum
  • Leptospira interrogans
  • Cytophaga spp.
  • Borrelia burgdorferi

Question 24

Question
Which of the following is NOT assigned to the phylum Firmicutes?
Answer
  • Enterobacteriales
  • Clostridiales
  • Lactobacillales
  • Mycoplasmatales

Question 25

Question
Which genus of bacteria is responsible for more illnesses and diseases than any other group of bacteria?
Answer
  • Streptococcus
  • Enterococcus
  • Staphylococcus
  • Bacillus

Question 26

Question
What is the common cause of yeast infections?
Answer
  • Aspergillus fumigatus
  • Candida albicans
  • Histoplasma capsulatum
  • Penicillium chryosogenum

Question 27

Question
Which of the following is the MOST common life-threatening infection in AIDS patients?
Answer
  • Aspergillus
  • Candida
  • Rhizopus
  • Pneumocystis

Question 28

Question
What term refers to fungal infections deep within the body?
Answer
  • Systemic mycoses
  • Cutaneous mycoses
  • Subcutaneous mycoses
  • Superficial mycoses

Question 29

Question
Algae with complex cell walls made of pectin and a layer of silica are
Answer
  • Diatoms
  • Green algae
  • Red algae
  • Dinoflagellates

Question 30

Question
Which type of algae can live at greater ocean depths than other algae?
Answer
  • Blue algae
  • Red algae
  • Brown algae
  • Green algae

Question 31

Question
The body of a multicellular algae is called a
Answer
  • Mycelium
  • Hypha
  • Pseudopod
  • Thallus

Question 32

Question
Paralytic shellfish poisoning is caused by dinoflagellates that secrete a neurotoxin known as
Answer
  • Aflatoxin
  • Endotoxin
  • Exotoxin
  • Saxitoxin

Question 33

Question
The feeding or growing stage of a protozoan is called the
Answer
  • Merozoite
  • Hypnozoite
  • Trophozoite
  • Sporozoite

Question 34

Question
Amebic dysentery is caused by which of the following human pathogens?
Answer
  • Acanthamoeba
  • Naegleria
  • Entamoeba
  • Trichomonas

Question 35

Question
Which of the following pairs is mismatched?
Answer
  • Mosquito-epidemic typhus
  • Flea-plague
  • Tick-Rocky Mountain spotted fever
  • Mosquito-malaria

Question 36

Question
The sexual reproduction of Plasmodium takes place in the gut of a
Answer
  • Tick
  • Mosquito
  • Human
  • Flea

Question 37

Question
Which of the following is the vector of Lyme disease?
Answer
  • Tick
  • Head louse
  • Mite
  • Mosquito

Question 38

Question
Arthropods that carry pathogenic microorganisms are called
Answer
  • Vehicles
  • Vectors
  • Fomites
  • Reservoirs

Question 39

Question
Which of the following is TRUE regarding viruses?
Answer
  • Virions contain both DNA and RNA
  • They multiply by binary fission
  • They are sensitive to antibiotics
  • They are not composed of cells

Question 40

Question
Which of the following is NOT a morphological type of virus?
Answer
  • Helical
  • Polymorphic
  • Polyhedral
  • Enveloped

Question 41

Question
Viruses that infect bacteria are called
Answer
  • Bacteriophages
  • Prions
  • Viroids
  • Antisense viruses

Question 42

Question
Capsids are composed of protein subunits known as
Answer
  • Capsomeres
  • Spikes
  • Envelopes
  • Tail fibers

Question 43

Question
It is hypothesized that viroids evolved from
Answer
  • Viruses
  • Exons
  • Introns
  • Prions

Question 44

Question
Prion diseases can be acquired via ALL of the following EXCEPT
Answer
  • Ingestion
  • Inhalation
  • Contaminated surgical instruments
  • Transplanted nerve tissue

Question 45

Question
Scrapie is an example of a ________ disease found in sheep and caused by a prion.
Answer
  • Neurological
  • Gastrointestinal
  • Respiratory
  • Cardiovascular

Question 46

Question
Viroids infect
Answer
  • Animals
  • Protozoans
  • Plants
  • Bacteria

Question 47

Question
A viroid is a
Answer
  • Provirus
  • Naked, infectious piece of RNA
  • Capsid without a nucleic acid
  • Complete, infectious virus particle

Question 48

Question
What percentage of cancers are known to be virus-induced?
Answer
  • 10%
  • 25%
  • 50%
  • 100%

Question 49

Question
The ability of retroviruses to induce tumors is related to which enzyme?
Answer
  • Reverse transcriptase
  • RNA polymerase
  • DNA polymerase
  • Protease

Question 50

Question
Cancer-causing alterations to cellular DNA affect parts of the genome called
Answer
  • Introns
  • Oncogenes
  • Exons
  • Promoters

Question 51

Question
Which of the following is NOT an effect of transformation?
Answer
  • T antigens appear in the nucleus of the cell
  • Cells lose their ability to divide
  • Cells tend to exhibit chromosomal abnormalities
  • Tumor-specific transplantation antigens appear on the cell surface.

Question 52

Question
Which of the following is an example of a latent viral infection in humans?
Answer
  • Measles
  • HIV/AIDS
  • Shingles
  • Influenza
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