Jill Ly
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Quiz on Micro Quiz 2, created by Jill Ly on 17/02/2018.

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Micro Quiz 2

Question 1 of 52

1

Grouping organisms into categories to show degrees of similarities is called?

Select one of the following:

  • Systematics

  • Taxonomy

  • Hierarchy

  • Nomenclature

Explanation

Question 2 of 52

1

Which of the following statements describes the Domain Bacteria?

Select one of the following:

  • They are multicellular

  • They have linear chromosomes

  • They have prokaryotic cells

  • That have eukaryotic cells

Explanation

Question 3 of 52

1

What process can be used to increase the amount of microbial DNA to levels that can be tested by gel electrophoresis?

Select one of the following:

  • Phage typing

  • DNA fingerprinting

  • Polymerase chain reaction (PCR)

  • Western blotting

Explanation

Question 4 of 52

1

Treating DNA from different bacteria with the same restriction enzymes followed by separation of the fragments by electrophoresis is known as

Select one of the following:

  • DNA base composition

  • DNA fingerprinting

  • The nucleic acid amplification test (NAAT)

  • Ribotyping

Explanation

Question 5 of 52

1

Which of the following techniques can identify antibodies in a patient’s serum?

Select one of the following:

  • Flow cytometry

  • Southern blotting

  • Western blotting

  • Phage typing

Explanation

Question 6 of 52

1

The test that involves a reaction between known antibodies and an unknown bacterium is known as

Select one of the following:

  • ELISA

  • Phage typing

  • Flow cytometry

  • Southern blotting

Explanation

Question 7 of 52

1

Genetically related groups of eukaryotes that share a common ancestor are known as

Select one of the following:

  • Species

  • Clones

  • Strains

  • Clades

Explanation

Question 8 of 52

1

Which one of the following do NOT apply to eukaryotic cells?

Select one of the following:

  • Contain 80S ribosomes

  • Have histones

  • Have circular chromosomes

  • Exhibit growth via mitosis

Explanation

Question 9 of 52

1

Organisms that can form thin tubes called hyphae belong in the Kingdom

Select one of the following:

  • Animalia

  • Fungi

  • Plantae

  • Protista

Explanation

Question 10 of 52

1

Historically, eukaryotic organisms that did NOT fit into other kingdoms were placed into which kingdom?

Select one of the following:

  • Protista

  • Fungi

  • Plantae

  • Animalia

Explanation

Question 11 of 52

1

Fossil evidence indicates that prokaryotic cells first existed on Earth ___________years ago.

Select one of the following:

  • 3.5 billion

  • 3.5 million

  • 350,000

  • 3500

Explanation

Question 12 of 52

1

In the scientific name Staphylococcus aureus, Staphylococcus is the

Select one of the following:

  • class

  • Genus

  • Species epithet

  • Family

Explanation

Question 13 of 52

1

A clone is

Select one of the following:

  • 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

Explanation

Question 14 of 52

1

The two domains of prokaryotes are

Select one of the following:

  • Bacteria and Archaea

  • Bacteria and Fungi

  • Archaea and Fungi

  • Bacteria and Protista

Explanation

Question 15 of 52

1

Which of the following bacteria LACKS a cell wall?

Select one of the following:

  • Borrelia

  • Clostridium

  • Mycoplasma

  • Mycobacterium

Explanation

Question 16 of 52

1

Which one of the following is NOT a category of Archaea?

Select one of the following:

  • Halophiles

  • Pathogens

  • Thermophiles

  • Acidophiles

Explanation

Question 17 of 52

1

Nitrogen-fixing bacteria that infect the roots of leguminous plants are known as

Select one of the following:

  • Nanobacteria

  • Cyanobacteria

  • Pseudomonads

  • Rhizobia

Explanation

Question 18 of 52

1

The largest bacterium discovered, found in sediments of the coastal waters off Namibia, belongs to the genus

Select one of the following:

  • Mycobacterium

  • Pseudomonas

  • Thiomargarita

  • Staphylococcus

Explanation

Question 19 of 52

1

Alphaproteobacteria often have stalk-like or budlike protrusions known as

Select one of the following:

  • Axial filaments

  • Myxospores

  • Prosthecae

  • Elementary bodies

Explanation

Question 20 of 52

1

Which of the following is NOT a member of the order Enterobacteriales?

Select one of the following:

  • Pseudomonas

  • Escherichia

  • Salmonella

  • Shigella

Explanation

Question 21 of 52

1

The MOST common infectious genus in the world which ONLY lives inside the cells of insects is

Select one of the following:

  • Coxiella

  • Brucella

  • Wolbachia

  • Bartonella

Explanation

Question 22 of 52

1

The phylogenetic relationship among proteobacteria is based on ________studies.

Select one of the following:

  • rRNA

  • mRNA

  • DNA

  • tRNA

Explanation

Question 23 of 52

1

Which of the following causes syphilis?

Select one of the following:

  • Treponema pallidum

  • Leptospira interrogans

  • Cytophaga spp.

  • Borrelia burgdorferi

Explanation

Question 24 of 52

1

Which of the following is NOT assigned to the phylum Firmicutes?

Select one of the following:

  • Enterobacteriales

  • Clostridiales

  • Lactobacillales

  • Mycoplasmatales

Explanation

Question 25 of 52

1

Which genus of bacteria is responsible for more illnesses and diseases than any other group of bacteria?

Select one of the following:

  • Streptococcus

  • Enterococcus

  • Staphylococcus

  • Bacillus

Explanation

Question 26 of 52

1

What is the common cause of yeast infections?

Select one of the following:

  • Aspergillus fumigatus

  • Candida albicans

  • Histoplasma capsulatum

  • Penicillium chryosogenum

Explanation

Question 27 of 52

1

Which of the following is the MOST common life-threatening infection in AIDS patients?

Select one of the following:

  • Aspergillus

  • Candida

  • Rhizopus

  • Pneumocystis

Explanation

Question 28 of 52

1

What term refers to fungal infections deep within the body?

Select one of the following:

  • Systemic mycoses

  • Cutaneous mycoses

  • Subcutaneous mycoses

  • Superficial mycoses

Explanation

Question 29 of 52

1

Algae with complex cell walls made of pectin and a layer of silica are

Select one of the following:

  • Diatoms

  • Green algae

  • Red algae

  • Dinoflagellates

Explanation

Question 30 of 52

1

Which type of algae can live at greater ocean depths than other algae?

Select one of the following:

  • Blue algae

  • Red algae

  • Brown algae

  • Green algae

Explanation

Question 31 of 52

1

The body of a multicellular algae is called a

Select one of the following:

  • Mycelium

  • Hypha

  • Pseudopod

  • Thallus

Explanation

Question 32 of 52

1

Paralytic shellfish poisoning is caused by dinoflagellates that secrete a neurotoxin known as

Select one of the following:

  • Aflatoxin

  • Endotoxin

  • Exotoxin

  • Saxitoxin

Explanation

Question 33 of 52

1

The feeding or growing stage of a protozoan is called the

Select one of the following:

  • Merozoite

  • Hypnozoite

  • Trophozoite

  • Sporozoite

Explanation

Question 34 of 52

1

Amebic dysentery is caused by which of the following human pathogens?

Select one of the following:

  • Acanthamoeba

  • Naegleria

  • Entamoeba

  • Trichomonas

Explanation

Question 35 of 52

1

Which of the following pairs is mismatched?

Select one of the following:

  • Mosquito-epidemic typhus

  • Flea-plague

  • Tick-Rocky Mountain spotted fever

  • Mosquito-malaria

Explanation

Question 36 of 52

1

The sexual reproduction of Plasmodium takes place in the gut of a

Select one of the following:

  • Tick

  • Mosquito

  • Human

  • Flea

Explanation

Question 37 of 52

1

Which of the following is the vector of Lyme disease?

Select one of the following:

  • Tick

  • Head louse

  • Mite

  • Mosquito

Explanation

Question 38 of 52

1

Arthropods that carry pathogenic microorganisms are called

Select one of the following:

  • Vehicles

  • Vectors

  • Fomites

  • Reservoirs

Explanation

Question 39 of 52

1

Which of the following is TRUE regarding viruses?

Select one of the following:

  • Virions contain both DNA and RNA

  • They multiply by binary fission

  • They are sensitive to antibiotics

  • They are not composed of cells

Explanation

Question 40 of 52

1

Which of the following is NOT a morphological type of virus?

Select one of the following:

  • Helical

  • Polymorphic

  • Polyhedral

  • Enveloped

Explanation

Question 41 of 52

1

Viruses that infect bacteria are called

Select one of the following:

  • Bacteriophages

  • Prions

  • Viroids

  • Antisense viruses

Explanation

Question 42 of 52

1

Capsids are composed of protein subunits known as

Select one of the following:

  • Capsomeres

  • Spikes

  • Envelopes

  • Tail fibers

Explanation

Question 43 of 52

1

It is hypothesized that viroids evolved from

Select one of the following:

  • Viruses

  • Exons

  • Introns

  • Prions

Explanation

Question 44 of 52

1

Prion diseases can be acquired via ALL of the following EXCEPT

Select one of the following:

  • Ingestion

  • Inhalation

  • Contaminated surgical instruments

  • Transplanted nerve tissue

Explanation

Question 45 of 52

1

Scrapie is an example of a ________ disease found in sheep and caused by a prion.

Select one of the following:

  • Neurological

  • Gastrointestinal

  • Respiratory

  • Cardiovascular

Explanation

Question 46 of 52

1

Viroids infect

Select one of the following:

  • Animals

  • Protozoans

  • Plants

  • Bacteria

Explanation

Question 47 of 52

1

A viroid is a

Select one of the following:

  • Provirus

  • Naked, infectious piece of RNA

  • Capsid without a nucleic acid

  • Complete, infectious virus particle

Explanation

Question 48 of 52

1

What percentage of cancers are known to be virus-induced?

Select one of the following:

  • 10%

  • 25%

  • 50%

  • 100%

Explanation

Question 49 of 52

1

The ability of retroviruses to induce tumors is related to which enzyme?

Select one of the following:

  • Reverse transcriptase

  • RNA polymerase

  • DNA polymerase

  • Protease

Explanation

Question 50 of 52

1

Cancer-causing alterations to cellular DNA affect parts of the genome called

Select one of the following:

  • Introns

  • Oncogenes

  • Exons

  • Promoters

Explanation

Question 51 of 52

1

Which of the following is NOT an effect of transformation?

Select one of the following:

  • 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.

Explanation

Question 52 of 52

1

Which of the following is an example of a latent viral infection in humans?

Select one of the following:

  • Measles

  • HIV/AIDS

  • Shingles

  • Influenza

Explanation

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