Microorganisms and Viruses Quiz

Viruses range from 20 to 300 nanometers in size, requiring electron microscopes for study.

Viruses consist of a core made of DNA or RNA encased in a protein coat called a capsid.

The protein coat surrounding the virus's genetic material (DNA or RNA).

Some viruses have an additional layer called an envelope that surrounds the capsid.

Viruses can only be visualized using an electron microscope due to their small size.

The variety of organisms found in an area or on Earth.

The variety of organisms found in an area or on Earth.

Organisms that are too small to be seen with the naked eye.

Organisms too small to be seen with the naked eye, can be unicellular or multicellular.

An organism consisting of only one cell.

An organism consisting of only one cell.

An organism made up of many cells.

An organism made up of many cells.

The kingdom that includes bacteria.

Microorganisms that cause diseases in humans or other organisms.

Microscopic entities that invade and multiply within hosts, lacking cellular structures.

Describes organisms, like viruses, that are not made of cells.

Viruses that must infect a host to replicate and survive.

Viruses that specifically infect bacteria.

Viruses that cause diseases in humans and other organisms.

A diverse group of mostly unicellular organisms, such as protozoa and algae.

Organisms that absorb nutrients from their environment, including mushrooms and molds.

Multicellular organisms that perform photosynthesis, including all plants.

A scientist who classifies and names organisms into groups.