Bacteria, Archaea, And Viruses

22 Questions | By Mpridemore14 | Last updated: Mar 22, 2022 | Total Attempts: 2567

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1.

Which systems are prokaryotic?
- A.
  
  Archaea
- B.
  
  Bacteria
- C.
  
  Protista
- D.
  
  Fungi
- E.
  
  Plantae
- F.
  
  Animalia
2.

Reproduction is mostly _____ by means of binary fission
- A.
  
  Asexual
- B.
  
  Sexual
3.

Small, circular DNA molecules are called plasmids
- A.
  
  True
- B.
  
  False
4.

Which of the following may bacteria have?
- A.
  
  Cell wall with unusual chemical properties
- B.
  
  Slimy-coating capsule
- C.
  
  Fimbriae: Hair like appendages
5.

Kingdom Archaea-the archaebacteria has a unique RNA sequence and lacks muramic acid in their cell walls
- A.
  
  True
- B.
  
  False
6.

Methane bacteria is:
- A.
  
  Anaerobic
- B.
  
  Aerobic
7.

Salt bacteria can carry on a simple form of photosynthesis with the aid of a membrane-bound red pigment called bacterial rhodopsin
- A.
  
  True
- B.
  
  False
8.

Kingdom Bacteria-the true bacteria contains muramic acid in the cell walls, and different RNA base sequences and lipids than archaebacteria
- A.
  
  True
- B.
  
  False
9.

Call Bacteriae are mostly _____
- A.
  
  Autotrophs
- B.
  
  Heterotrophs
10.

Cyanobateria have blue and red phycobilin pigments that are found in higher plants
- A.
  
  True
- B.
  
  False
11.

Cyanobacteria produce oxygen when they photosynthesize
- A.
  
  True
- B.
  
  False
12.

Only organisms that can fix nitrogen use atmospheric nitrogen and produce oxygen
- A.
  
  True
- B.
  
  False
13.

Larger, colorless cells, nitrogen-fixing cells where fragmentation often takes place
- A.
  
  Heterocysts
- B.
  
  Akinetes
14.

Thick-walled cells that can resist freezing and other adverse conditoins
- A.
  
  Heterocysts
- B.
  
  Akinetes
15.

Viruses consist of a nuclei acid core (RNA or DNA) surrounded by a protein coat
- A.
  
  True
- B.
  
  False
16.

Viruses reproduce themselves only by taking over host cells
- A.
  
  True
- B.
  
  False
17.

Tail fibers that stick to receptors
- A.
  
  Attachment
- B.
  
  Pentration
- C.
  
  Release
- D.
  
  Biosynthesis
- E.
  
  Maturation
18.

Tail sheath injects DNA
- A.
  
  Release
- B.
  
  Biosynthesis
- C.
  
  Penetration
- D.
  
  Maturation
- E.
  
  Attachment
19.

Viral DNA takes over -Makes enzymes to break down host DNA, then uses the nucleosides for its own replication -Makes proteins for its own structure
- A.
  
  Maturation
- B.
  
  Release
- C.
  
  Attachment
- D.
  
  Biosynthesis
- E.
  
  Penetration
20.

Viral proteins assemble
- A.
  
  Maturation
- B.
  
  Attachment
- C.
  
  Release
- D.
  
  Biosynthesis
- E.
  
  Penetration
21.

Viral enzymes destroy the cell membrane and escape
- A.
  
  Release
- B.
  
  Attachment
- C.
  
  Maturation
- D.
  
  Biosynthesis
- E.
  
  Penetration
22.

Viroids are circular strands of RNA that invade the nuclei of infected plants
- A.
  
  True
- B.
  
  False