DNA Structure Flashcards
0
Q
What 3 parts make up DNA?
A
Nitrogenous base, deoxyribose sugar, phosphate group
1
Q
What are the building blocks of RNA and DNA?
A
Nucleotides
2
Q
What are the four nitrogenous bases found in DNA?
A
Guanine, cytosine, thymine, adenine
3
Q
What is a Purine?
A
A nitrogenous base with 2 carbon chains
4
Q
What is a pyrimidine?
A
A nitrogenous base with a single carbine chain
5
Q
What are the two purines?
A
Guanine and adenine
6
Q
What are the two pyrimidines?
A
Cytosine and thymine
7
Q
What makes up the backbone of DNA?
A
Phosphate and deoxyribose sugar
8
Q
What does adenine always pair with?
A
Thymine
9
Q
What does guanine always pair with?
A
Cytosine