a) all organisms are composed of one or more cells b) the cell is the basic unit of organization of organisms c) all cells some from pre-existing cells.
What is the cell theory?
100
-move materials around the body
-delivers food and oxygen to cells
-carries waste away from cells
What is the purpose of circulatory system?
100
Has flat, smooth brakes
What is cleavage?
100
Dartmoor in Devon has a large
amount of which igneous rock
What is granite?
200
Person who helped create vaccinations and pasteurizations
Who is Louis Pasteur?
200
A single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria
What is a prokaryote?
200
Heart, blood, blood vessels
What are parts of the circulatory system?
200
Occurs naturally, it is solid, has definite chemical composition, atoms are arranged in orderly pattern, it is organic
What are 5 characteristics all minerals must possess?
200
System that trachea is in.
What is Respiratory?
300
Person who conducted pioneering research on radioactivity.
Who is Marie Curie?
300
Cheaper, able to see color of organism, doesn't kill organism
What are three advantages of a light microscope?
300
Left atrium and right atrium pump first, then the two ventricles pump. Rest and repeat.
What is the pattern of the heart beating?
300
Electron exchange
What is an ionic bond?
300
One of these that would not cause weathering:
sun
rain
cloud
frost
What is cloud?
400
Austrian neurologist who became known as the founding father of psychoanalysis.
Who is Sigmund Freud?
400
) Enzymes in membrane are catalysts that speed up chemical reactions
2) Helps cells communicate, signal, and recognize each other
3)Transports proteins found in membranes and move certain substances such as water and sugar across the membrane through channels.
What are 3 functions of membrane protein?
400
Two tubes that branch off of the trachea and go into each of the lungs.
What are bronchioles?
400
1. demand goes down 2. Flood the market 3. too hard to mine
How can an ore not be an ore anymore?
400
When water freezes it
It expands
500
Satyendra Nath Bose
Who is an Indian scientist who collaborated with Albert Einstein?
500
Vesicles bud from one organelle and fuse with another, transferring membranes as well as products.
How do vesicles move in a cell?
500
They keep blood flowing one way
Why are valves important?
500
Stoke-on-Trent is famous for the use of this rock.
What is clay?
500
Transport of sediment usually occurs:
A. By people carrying it
B. By rivers carrying it
C. In volcanoes
D. On lorries