DNA Flashcards
1
Q
What is DNA?
A
the genetic information that contains instructions for making the proteins you body needs to keep you alive
2
Q
How are your traits determined?
A
By your DNA
3
Q
How is DNA arranged?
A
in a double helix
4
Q
What is a double helix?
A
Two strands of DNA that are twisted together
5
Q
What is a double helix made up of?
A
a sugar phosphate backbone and four nucleotide bases
6
Q
What are the 4 nucleotide bases?
A
A = adenine
G = guanine
C = cytosine
T = thymine
7
Q
That nitrogen bases are always paired?
A
C & G
A & T
8
Q
What is a nucleotide made up of?
A
one nitrogen base, one ribose sugar and one phosphate