DNA Flashcards
1
Q
What is DNA composed up of?
A
- Carbon
- Oxygen
- Nitrogen
- Hydrogen
- Phosphorus
2
Q
What type of acid is DNA?
A
•A nucleic acid
3
Q
What is the job of DNA?
A
•Transmit parental information
4
Q
What type of structure is DNA?
A
•A polymer which is nucleotides
5
Q
What makes up nucleotides?
A
- 5 carbon sugar
- Posphate group
- Nitrogenous base
6
Q
What are the 4 nitrogenous bases?
A
- Adenine
- Guanine
- Cytosine
- Thymine
7
Q
What scientists came up with the DNA model?
A
•Watson and Crick
8
Q
Which 2 nitrogenous bases are Purines?
A
- Adenine
* Guanine
9
Q
Which 2 nitrogenous bases are Pyrimidines?
A
- Cytosine
* Thymine
10
Q
How are DNA chains held together?
A
•Hydrogen bonds
11
Q
How many single-strand chains does DNA have?
A
•Two meaning
12
Q
What is a twisted double helix?
A
•DNA
13
Q
What is DNA backbone made up of?
A
- Phosphate
* Sugar
14
Q
What are DNA rungs made up of?
A
•Nitrogenous bases
15
Q
What are the complementary bases?
A
- Adenine and Thymine
* Cytosine and Guanine
