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20 Cards in this Set

  • Front
  • Back

Virus

A virus is a biological cell that reproduces inside the cells of living hosts. When infected by a virus, a host cell is forced to produce many thousands of identical copies of the original virus, at a really big rate. It is bad!

Vaccine

A biological preparation that provides active acquired immunity to a particular disease, like smallpox.

Anti-Viral

Antiviral drugs are a class of medication used specifically for treating viral infections.

Bacteria

A member of a large group of unicellular microorganisms that have cell walls but do not have organelles and an organized nucleus, including some that can cause disease. Some can help though.

Parasite

An organism that lives in or on another organism (its host) and benefits by taking nutrients at the host's expense, usually death.

Prokaryote

A microscopic single-celled organism that has no nucleus with a membrane or other organelles. Prokaryotes include the bacteria and cyanobacteria.

Eukaryote

An organism consisting of a cell in which the genetic material is DNA in the form of chromosomes in a nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria. They have organelles too.

Protist

Microscopic organisms containing a nucleus or nuclei that hold their genetic material,and accordingly are categorized as eukaryotic.

Epidemic

An epidemic is an outbreak of a disease that affects an unusually large number of individuals within a population, community, orregion compared to recent memory. It does not affect individuals worldwide.

Pandemic

A pandemic is an epidemic of infectious disease that has spread over an entire continent, multiple continents, or even worldwide. It is always contagious.

Vector

A disease vector is any organism that can spread infectious disease to another organism through bites, scratches, body fluids, orother contact.

Fungi

Any of a group of unicellular, multicellular, or (eukaryotic) organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.

Protein Coat

A structure composed of proteins that holds the nucliec acid of a virus. Also called a capsid.

Tail Fiber

Some viruses have it. It is a long leg used for the attachment to the host cell.

Flagella

A whip-like structure that helps the eukaryote move.

Cilia

Hair-like form of movement that helps to draw food in to the mouth lined with more cilia.

Mitosis

A process that creates identical cells for repair and growth in the human body.

Meiosis

A process that creates sperm and egg cells in the human body.

Binary Fission

A kind of asexual reproduction. It is the most common form of reproduction in prokaryotes and occurs in some single-celled eukaryotes. It is commonly called division in half.

Virion

The infectious form of a virus.