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Science and You
Chemistry of Life
Cells
Cell Transport
DNA and Protein Synthesis
100
This item...
What is a graduated cylinder?
100
Anything that has mass and takes up space.
What is matter?
100
All prokaryotes are these.
What are bacteria?
100
Active transport need this, but passive transport does not.
What is energy?
100
This is what DNA does.
What is holds hereditary information?
200
The property of life that states that life keeps many functions in equilibrium.
What is homeostasis?
200
Because water has a slightly negative charge on one side and a slightly positive charge on the other, it is called a _________ molecule.
What is polar?
200
This is the main difference that a eukaryote has and a prokaryote does not have.
What is a nucleus?
200
Molecules moving from areas of high concentration to areas of lower concentration.
What is diffusion?
200
These are the monomers of DNA.
What are nucleotides?
300
The collection of all the chemical reactions that go on in living organisms.
What is metabolism?
300
This is a substance that dissolves solutes.
What is a solvent?
300
This is where proteins are made.
What are ribosomes?
300
This is diffusion of water across a semi-permiable membrane.
What is osmosis?
300
These men are credited with the discovery of structure of DNA.
Who are Watson and Crick?
400
This is what a scale measures.
What is mass?
400
This is a substance that is added to a solution to neutralize the pH.
What is a buffer?
400
Chloroplasts, cell wall, and large central vacuole.
What does a plant cell have that an animal cell does not?
400
A cell shrivels up and loses mass when placed in this kind of solution.
What is hypertonic?
400
This is the total amount of amino acids.
What is 20?
500
Having a doubtful attitude.
What is skepticism?
500
The building blocks of proteins.
What are amino acids?
500
ALL cells are surrounded by this.
What is a cell membrane?
500
This describes the nature of the structure of a cell membrane.
What is a semi-permiable, phospholipid bilayer?
500
This is where translation happens.
What is the ribosome?