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Scientific Inquiry
Biochemistry
Macromolecules
Cells
DNA
100
What is the independent variable?
the variable that is introduced to an experiment, it acts alone.
100
What is the name of the scale that measures acids and bases?
pH scale
100
This macromolecule is known as sugar and starches and provides you with short term energy
Carbohydrates
100
Prokaryotic cells lack this organelle.
Nucleus
100
What makes up a nucleotide?
phosphate, sugar, base
200
What is the dependent variable?
it is directly affected by the independent variable, this is what a graph is measuring.
200
if a pH of a substance moves from a base to an acid, does the hydrogen ion increase or decrease?
Increase
200
This macromolecules is made up of chains of amino acids
protein
200
If a red blood cell is placed in a HYPERtonic solution, what will happen to the cell?
Shrink
200
What are the names of the 2 scientist that developed the double helix model?
Hershey and Chase
300
What goes on the y axis?
the dependent variable
300
Water sticking to water
Cohesion
300
speeds up chemical reactions in the body and is sometimes referred to as a catalyst.
enzyme
300
How does active transport move its molecules?
Against the concentration gradient
300
This scientist injected mice with pneumonia to show that DNA passes on genetic material not protein.
Griffifth
400
When graphing data what goes on the x-axis?
the independent variable
400
a covalent bond is formed between...
a nonmetal and a nonmetal
400
What forms when you gain or loose and electron
Ion
400
If a cells lysosomes were damaged how would that affect the cell?
Their ability to break down large molecules would be affected because lysosomes store enzymes
400
What is the job of the enzyme helicase during replication?
Breaks apart the helix
500
A scientist believes playing classical music for his plants will increase growth rate. What is the independent variable for this experiment?
The type of music
500
Capillary action occurs because of what property of water?
Adhesion
500
What element must a substance have in order to be considered organic?
Carbon
500
What is the result of mitosis?
2 new identical cells
500
What is the role of transcription?
changes DNA to RNA