- A tiny, nonliving particle that invades and then reproduces inside a living cell
- An organism that provides a source of energy or a suitable environment for a virus or another organism to live
- An organism that lives on or in a host and causes harm to the host
- A virus that infects bacteria
- Enter cells and immediately begin to multiply, leading to the quick death of the invaded cells
- Virus that hides for a while inside host cells before becoming active
- Single-celled organisms that lack a nucleus; prokaryotes
- A tiny structure located in the cytoplasm of a cell where proteins are produced
| - The region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes); contains a gel-like material and cell structures
- A long, whiplike structure that helps a cell to move
- The process of braking down food to release its energy
- A form of asexual reproduction in which one cell divides to form two identical cells
- A reproductive process that involves only one parent and produces offspring that are identical to the parent
- A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
- The process in which a unicellular organism transfers some of its genetic material to another unicellular organism
- A small, rounded, thick-walled, resting cell that forms inside a bacterial cell
| - A process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food
- An organism that breaks down chemicals from dead organisms and returns important materials to the soil and water
- An illness that can pass from one organism to another
- Bacterial disease that is spread by inhaling droplets and contact with a contaminated object; treated by antibiotics; symptoms are fever, sore throat, and swollen glands
- A poison that cam harm an organism
- A chemical that can kill bacteria without harming a person's cells
- The ability of bacteria to withstand the effects of an antibiot
- A substance introduced into the body to stimulate the production of chemicals that destroy specific disease-causing viruses and organisms
| - Bacterial disease that spreads by the bite of an infected deer tick; treated by an antibiotic; symptoms are a rash at site of tick bite, chills, fever, body aches, joint swelling
- Bacterial disease that spreads by inhaling droplets; can be avoided by a vaccine; symptoms are fatigue, mild fever, weight loss, night sweats, and cough
- Bacterial disease that is spread by a deep puncture wound; Vaccines prevent it; symptoms are stiff jaw and neck muscles, spasms, difficulty swallowing; Treatments are antibiotics and cleaning the wound
- Disease got by eating foods that contain the bacteria; Symptoms are vomiting, cramps, diarrhea, and fever
- Viral disease that spreads by contact with contaminated objects; can be prevented by a vaccine; Symptoms are high fever
- Viral disease that spreads by the contact with the blood of an infected person; No symptoms usually but sometimes jaundice and fatigue: Drugs are used to slow viral multiplication
- Viral disease that spreads by contact with the rash or inhaling droplets; Prevented by a vaccine; Symptoms include fever or red, itchy rash
- Viral disease that spreads by sexual contact
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