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science- germs

vv: what makes you sick

Eukaryotes that have cell walls, reproduce by spores,and get food by absorbing it from their surroundings. fungi (singular: fungus)
The most common form of one-celled organisms bacteria (singular, bacterium)
An organism whose cells have nuclei. eukaryote
A single-celled organism that does not have a nucleus. prokaryote
An organism that can be seen only through a microscope. microbe (or microorganism)
A substance that causes a chemical change in another substance. enzyme
The combination of chemical reactions that takes place in an organism; food is converted into energy that the organism uses to carry out its life processes. metabolism
The process by which an organism keeps its internal environment in a constant condition despite changes in its external environment. homeostasis
In bacteria, a dormant structure that allows the bacterial cell to survive unfavorable conditions. In fungi, a cell that develops into a new organism. spore
Temporarily not active. dormant
Substance that can kill microorganisms. disinfectant
A string-like part on some cells that helps the cell move. flagellum (plural, flagella)
A poisonous substance. toxin
A type of substance found in food that builds muscle and body tissue. protein
A white, or slightly yellow or green substance that your body develops in response to an infection;it is made up of dead skin, white blood cells (that fight infection), and some bacteria. pus
Matter that is coughed up and mixed with saliva. sputum
The structural and functional unit of all living organisms. (What a living thing is made of and what makes it work.) It is sometimes called the “building block” of life. cell
Makes something look larger but does not actually enlarge the physical size of the object. magnifies
A theory about the relationship between cells and living things. cell theory
A specialized structure in a cell organelle
The control center of the cell. nucleus
The structures containing the genetic material of the cell. chromosomes
Contains the information that determines the traits of an organism; hereditary material. genetic material
A structure that surrounds the cell; controls the movement of materials into and out of the cell. cell membrane
The watery fluid that contains the organelles of the cell. cytoplasm
Provides the cell with energy. mitochondrion (plural, mitochondria)
The process by which food and oxygen are converted to energy, carbon dioxide,and water. cellular respiration
An organelle that contains the green pigment chlorophyll used in photosynthesis. chloroplast
A green pigment that makes photosynthesis possible in plants chlorophyll
The process by which plants make sugar and oxygen, using light, water, and carbon dioxide. photosynthesis
Protects and supports the plant cell. cell wall
A microscope that has more than one lens and uses light transmitted to your eye to form an image. compound light microscope
The circle of light you see when you look through a microscope. field of view
The length of the line through the middle of a circle from one side to the other. diameter
A comparison of two numbers. ratio
Created by: drabek