Virus Bacteria Quiz

An infectious particle not made up of a cell, and

that is not capable of reproduction without a host cell, is a ___________

• virus

• bacteria

• protist

• fungi

The structure of viruses include____________________.

• cells and a nucleus

• skeletal system

• a nucleic acid core – DNA or RNA, and a

  Capsid(protein coat)

• a respiratory systtem

•Retroviruses ______________

• undergo metamorphosis

• store genetic information in the form of nucleic acid known as RNA

• are consumers

• are producers.

Lysogenic viruses __________________________________.

• are prokaryotes.

• reproduce by inserting their DNA into the DNA of the host cell

• are consumers

• are heterotrophs.

Bacteriophages are

• fungi

• lethal forms of bacteria

• viruses that infect bacteria

• prokaryotes

Viruses__________________________

• can infect marine bacteria, plankton, invertebrates, fishes, sea turtles, and mammals

• are Common in the marine environment

• are prokaryotes

• cause lysis of cells infected with viruses spills contents and releases large amounts of organic matter that can be utilized by other organisms (dissolved organic matter or DOM).

Archaea and Bacteria_________________________________.

• have a single chromosome (normally circular)

• can have cell walls

• have a great a great metabolic diversity

• all of the answers

Bacteria have ______________

• xylem

• are multicellular

• a nucleus

• a variety of shapes including spirals, spheres,   rods, and rings

Marine Bacteria__________________________.

• are terrestrial

• build up live organic matter forming detritus, minute particles of organic matter that are available as nutrition for other organisms

• are fungi

• break down dead organic matter forming detritus, minute particles of organic matter that are available as nutrition for other organisms

Cyanobacteria are ___________________________.

• synthetic bacteria most important in the marine environment

• heterotrophic bacteria most important in the marine environment

• protists, the most important in the marine environment

• photosynthetic bacteria most important in the marine environment