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Pullen Honors Biology 10/21/10
Lipids, Enzymes, Proteins, etc.
34
Biology
9th Grade
10/21/2010

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Term
What is RNA'S main function?
Definition
To convert DNA into proteins
Term
What is DNA's main function?
Definition
To store hereditary information
Term
Enzymes ______ ____ chemical reactions by lowering _____ ____ necessary for the reaction to occur.
Definition
Speed up, Activation Energy
Term
Name the 4 N bases in DNA.
Definition
Adenine, Thymine, Guanine, Cytosine
Term
Name the 4 bases of RNA.
Definition
Adenine, Guanine, Uracil, Cytosine
Term
The monomers of DNA are ___________.
Definition
Nucleotides
Term
Which N bases of DNA bond?
Definition
Adenine- Thymine
Cytosine- Guanine
Term
Which N bases of RNA bond?
Definition
None, its a single strand.
Term
The sugar of DNA is called ________.
Definition
Deoxyribose
Term
The sugar of RNA is called ______.
Definition
Ribose
Term
DNA is ______ strand while RNA is _____ strand.
Definition
Double, Single
Term
Natural gas had the molecular formula of ___.
Definition
CH4
Term
What are hydrocarbons?
Definition
Organic molecules composed of only hydrogen and carbon.
Term
What does hydrophilic mean?
Definition
To attract water.
Term
What does hydrophobic mean?
Definition
To repel water.
Term
Where is sucrose found in nature?
Definition
In plant sap.
Term
What are disaccharides?
Definition
Sugar with 2 monosaccharides.
Term
What monosaccharides make up sucrose?
Definition
A glucose and fructose monomer.
Term
What process joins monomers?
Definition
Dehydration Synthesis
Term
What process breaks polymers down?
Definition
Hydrolosis reaction
Term
Name some examples of polysaccharides.
Definition
Starch, Cellulose, Glycogen.
Term
The Process of joining smaller compounds to prodice larger ones is called _________.
Definition
Polymerization
Term
When too much energy(sugar) is present in the blood it is converted to _______ and then ____.
Definition
Polysaccharide, Fat.
Term
How many different kinds of proteins exist?
Definition
Tens of Thousands
Term
How many different protein monomers exist?
Definition
20
Term
What are the monomers of proteins?
Definition
Amino Acids
Term
List the 6 functions of proteins.
Definition
1.) Form Structures like hair. 2.) Make up Muscles 3.) Provide long-term nutrient storage. 4.) Defend the body from harmful micro-organisms. 5.) Act as signals. 6.) Control chemical reactions.
Term
How many amino acids are found in lysozyme?
Definition
120
Term
Most proteinss are at least how many amino acids long?
Definition
100
Term
A proteins function depends on its ______.
Definition
Shape
Term
What happens to a protein when it "denatures"?
Definition
It unravels and looses its normal shape.
Term
What things cause denaturation?
Definition
An unfavorable change in pH,temperature, or some other quality of the environment.
Term
What reaction forms amino acids?
Definition
Dehydration Reaction
Term
___________ are made of glycerol, 2 fatty acids, and a phosphate.
Definition
Phospholipids
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