2a Structure Of DNA Flashcards
1
Q
Fill in the blanks
DNA stores _____ _____ in its sequence of _____
A
Genetic information
Bases
2
Q
Continued
The sequence determines what?
A
Determines the organisms genotype and the structure of its proteins
3
Q
Fill in the blank
A nucleotide has a ____ attached to carbon ____ and a ______ attached to carbon ______
A
Base and 1
Phosphate and 5
4
Q
The two strands of nucleotides are joined together by what type of bonds?
A
Hydrogen bonds
5
Q
Name all four bases in DNA
A
Adenine
Thymine
Guanine
Cytosine
6
Q
The two strands of DNA forms a _____ ______
A
Double helix
7
Q
The two sugar phosphate backbones run in opposite directions to each other so are what??
A
Antiparallel
8
Q
The chain can only grow by what?
A
Adding nucleotides to its three end
