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Chapter 4
na
15
Science
7th Grade
12/06/2010

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Cards

Term
What are proteins made of?
Definition
Amino Acids
Term
What is the role of the RNA?
Definition
Carry the genetic code from DNA to cytoplasm.
Term
What are the steps of Protein Synthesis?
Definition
1. mRNA enters the cytoplasm. 2.Ribosomes attatch to the mRNA
3.tRNA attaches to mRNA
4.Amino acids join in the ribosome.
5.protein chain forms.
Term
How can mutations effect an organism?
Definition
They can cause a cell to produce an incorrect protein.
Term
Name 3 types of mutaions.
Definition
Deletion:1 base pair removed
Addition:1 base pair added
Substitution:1 base pair is switched for another.
Term
What are the different effects of mutations?
Definition
Harmful,. helpful, neither
Term
How many different types of cancer are there?
Definition
More than 100 types.
Term
What is cancer?
Definition
a disease in which cells grow uncontrollably, damaging the parts of tehe body around them.
Term
What is cancer often names for?
Definition
Where in the body that it starts in.
Term
When does cancer begin?
Definition
when a mutation disrupts the normal cell cycle causing cells to di
Term
When does cancer begin?
Definition
when a mutation disrupts the normal cell cycle causing cells to di
Term
When does cancer begin?
Definition
when a mutation disrupts the normal cell cycle causing cells to divide in an uncontrolled way.
Term
How does cancer spread?
Definition
when some of the cancerous cells break off of the tumor and enter the bloodstream.
Term
What are the treatments for cancer?
Definition
chemotherapy, surgery, radiation
Term
What is chemotherapy?
Definition
The use of drugs to treat a disease.
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