Virus/Bacteria Test Review

Viruses

100

The word "virus" comes from a Latin word meaning:
A) life
B) parasite
C) poison
D) bacteria

C) poison

200

Martinus Beijerinck was the first to name these very small infectious particles:
   A) viruses
   B) bacteria
   C) fungi
   D) parasites

  A) viruses

300

Wendell Stanley concluded that viruses were not:
   A) harmful
   B) infectious
   C) alive
   D) cellular

   C) alive

400

A virus begins infection by _______________ the host cell.

A) entering

B) hijacking

C) killing

D) hiding in

B) hijacking

500

Retroviruses have _____________ as their genetic information.

A) RNA

B) DNA

C) proteins

D) receptors

A) RNA

Archaea retroviruses

100

Archaea that thrive at high temperatures and low pH are called:

A) halophiles

B) thermoacidophiles

C) extremophiles

D) methanogens

C) extremophiles

200

Salt-loving archaea are known as:

A) halophiles

B) methanogens

C) thermoacidophiles

D) psychrophiles

A) halophiles

300

Retroviruses convert their RNA template into:

A) proteins

B) more RNA

C) DNA

D) capsids

C) DNA

400

DAILY DOUBLE: Has to be answered on your own - 

The cell walls of Archaea lack:
    A) proteins
    B) peptidoglycans
    C) lipids
    D) DNA

    B) peptidoglycans

500

The enzyme that retroviruses use to make DNA from RNA is called:
    A) RNA polymerase
    B) reverse transcriptase
    C) replicase
    D) transcriptase

    B) reverse transcriptase

Bacteria

100

Bacteria are classified as:
    A) eukaryotes
    B) prokaryotes
    C) viruses
    D) fungi

 B) prokaryotes

200

Many bacteria move by means of:

A) pili

B) capsule

C) flagella

D) ribosomes

C) flagella

300

A sticky outer layer that protects some bacteria is the:

A) cell wall

B) plasma membrane

C) capsule

D) flagella

C) capsule

400

Short, hair-like structures that help bacteria attach to surfaces are:

A) flagella

B) pili

C) ribosomes

D) capsules

B) pili

500

Bacteria that feed on dead organic matter are called:

A) parasites

B) saprophytes

C) autotrophs

D) photoautotrophs

B) saprophytes

parts of a virus/Bacteria 2.0

100

Bacteria that use chemicals to make their own food are:

A) photoautotrophs

B) chemoautotrophs

C) saprophytes

D) parasites

B) chemoautotrophs

200

The capsid is made of:
   A) lipids
   B) sugars
   C) proteins
   D) nucleic acids

  C) proteins

300

Bacteria that use light to produce food are:

A) photoautotrophs

B) chemoautotrophs

C) saprophytes

D) parasites

A) photoautotrophs

400

"Black smokers" are hydrothermal vents associated with:

A) halophiles

B) black algae

C) thermoacidophiles

D) saprophytes

C) thermoacidophiles

500

The protein coat surrounding viral DNA or RNA is called the:
   A) membrane
   B) flagella
   C) capsule
   D) capsid

D) capsid

random

100

Until recently, all prokaryotes were placed into the kingdom:
    A) Protista
    B) Fungi
    C) Monera
    D) Plantae

    C) Monera

200

Bacteria that can make their own food are called:

A) saprophytes

B) parasites

C) autotrophs

D) heterotrophs

C) autotrophs

300

DAILY TRIPLE: Has to be answered by yourself -

Which structure contains a small, circular piece of DNA separate from the bacterial chromosome?
    A) ribosome
    B) plasmid
    C) pili
    D) capsid

 B) plasmid

400

The viral reproductive cycle that destroys the host cell immediately is called:
    A) lysogenic cycle
    B) lytic cycle
    C) viral cycle
    D) endocytic cycle

   B) lytic cycle

500

The cycle where the virus remains inactive in the host cell is the:
    A) lysogenic cycle
    B) lytic cycle
    C) active cycle
    D) dormant cycle

A) lysogenic cycle