Chapter 4.6 Flashcards
1
Q
What are mutations?
A
Errors that produce changes
2
Q
Two ways that mutations occur?
A
Spontaneous or induced
3
Q
What is a spontaneous mutation?
A
Arises from the chemical tendency of free nitrogenous bases to exist in two slightly different structure
4
Q
What are induced mutations?
A
Are a response to exposure to certain chemicals or radiations called mutagens
5
Q
What can special “repair enzymes” do?
A
Recognize and remove mismatched nucleotides and fill the resulting gap with the accurate, complemtary nucleotides
