1) For what discovery did Barbara McClintock win a Nobel prize?  Hint
 
“Jumping” genes
Microarrays
Hemochromatosis

2) Approximately how many cells does you body have?  Hint
 
100 million
100 billion
100 trillion

3) What are the thread-like structures in a cell's nucleus called?  Hint
 
Chromosomes
Ribosomes
Golgi Bodies

4) All creatures on earth use the same genetic code. What percentage of DNA do humans share?  Hint
 
75%
99.9%
30%

5) What is a protein?  Hint
 
A protein is a chain made of 20 kinds of links called amino acids
A cellís office or control center
A mutation

6) What are the building blocks of your tissues, organs, and organ systems?  Hint
 
genes
atoms
cells

7) What make up no more than two percent of our DNA?  Hint
 
chromosomes
genes
proteins

8) Which of the following carries the DNA message to protein “factories” (ribosomes) in the outskirts of the cell?  Hint
 
Lysosomes
Mitochondria
mRNA

9) What is the shape of DNA?  Hint
 
A trapezoid
A hexagon
A double helix

10) What is the purpose of gene therapy?  Hint
 
To decode DNA
To treat genetically caused diseases by inserting normally functioning genes
To discover the shape of RNA

 


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