Resembles that of a twisted ladder, called a "double helix".
What is the structure of DNA?
100
100
The phospholipid bilayer that surrounds the cell.
What is the plasma membrane?
200
The steps of the scientific method.
What are: 1. Ask question.
2. hypothesis
3. test
4. analyze
5. draw conclusion
6. report results
200
The smallest chemically unbreakable unit of matter?
What is at atom?
200
20.
What is the number of amino acids?
200
The site of protein synthesis.
What are ribosomes?
200
The diffusion of water.
What is Osmosis?
300
A series of steps designed to help you solve problems and answer questions.
What is the scientific method?
300
A bond where the electrons are shared.
What is a covalent bond?
300
The building blocks of lipids.
What are fatty acids?
300
The power house of the cell. It produces ATP.
What is a mitochondrion?
300
This happens when a cell is placed in hypotonic solution.
What is cytolysis?
400
evidence gathered through observation.
What is Data?
400
A bond where the electrons are donated and not shared. You end up with ions.
What is an ionic bond?
400
The four categories of organic molecules that form the basis of all living things.
What are carbohydrates, lipids, proteins, and nucleic acids?
400
One of the first organelles every discovered, this structure is often considered the distribution and shipping department for the cell's chemical products. It modifies and packages.
What is the Golgi Complex, or Golgi Apparatus?
400
The force within a plant cell that pushes the plasma membrane against the cell wall.
What is turgor pressure?
500
This changes as a result of the changes in the Independent variable.
What is the dependent variable?
500
6 valence electrons are found on this element. (choose the lowest number on the periodic table)
What are the number of valence electrons on oxygen?
500
The three class of carbohydrates.
What are starch, glycogen, and cellulose?
500
The organelle that is mainly responsible for making lipids, hormones, and waxes.
What is the Smooth E.R.
500
A solution in which body cells can be bathed without a net flow of water across the semipermeable cell membrane.