8th Sci Disease/Microorganism Study Guide
Terms in this set (39)
an illness that affects one or more systems in an organism negatively
tiny, non-living particle that enters and then reproduces in a living cell
an organism that provides a source of energy for a virus or other parasite
an organism that lives on or in a host and causes it harm
a virus that infects a bacteria
single-celled organism that lacks a nucleus
a long, whip-like structure that helps a cell to move
The process by which cells break down simple food molecules to release the energy they contain.
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 identical to the parent
a reproductive process that involves two parents that combine genetic material to produce offspring that are genetically different from the parents
process in which an unicellar orgnism transfers some of its genetic material to another unicellar organism
a small, round , thick-walled resting cell that forms inside a bacterial cell
a process of heating a food to a temperature high enough to kill most bacteria without changing the taste of the food
an organism that breaks down chemicals from dead organisms and returns important materials to the soil or water
eukaryotic organism that has a cell wall, uses spores to reproduce, and is a heterotroph that feeds by absorbing food
a living thing that cannot be seen without the aid of a microscope
a chemical that can kill bacteria without harming a person's cells
a small dose or fragment of a patheogen introduced into the body to stimulate the production of chemicals (antibodies) that destroy specific disease-causing viruses/organisms
Are viruses considered living or nonliving?
What are infectious diseases caused by?
cell lacking a nucleus and most other organelles
viruses are smaller than cells
Compare the size of viruses and cells.
What material is transferred in the process of conjugation?
What parasites cause Lyme Disease?
What parasites are associated with Bubonic Plague?
What is the characteristic of an infectious disease?
cold and flu
Name two examples of infectious diseases.
on or near their food supply
Where do most fungi live?
used to treat an infection caused by bacteria
part of the cell that holds genetic material
one that can not be spread
What is a non infectious disease?
cancer and diabetes
Name two examples of non infectious diseases.
overuse has caused the bacteria to become resistant to the antibiotics
Why do some antibiotics not work as well as they used to?
help digest food, make vitamins, deter harmful bacteria
How are good bacteria helpful to the human body?
warm, moist areas
Where do microorganisms live and grow best?
Do fungi have chlorophyll and conduct photosynthesis?
What disease may HIV cause?
the immune system
What does AIDS infect?