DNA Flashcards
1
Q
What is DNA?
A
The blueprint for all living things; a molecule (bunch of atoms stuck together).
2
Q
How many chromosomes does it make up?
A
23 pairs of chromosomes.
3
Q
Double Helix
A
DNA molecules arranged in a ladder like structure.
4
Q
What are the nucelotides?
A
- A phosphate.
- A sugar.
- A base.
5
Q
Base pair definition.
A
A pair of complementary bases ( 2 molecules joined together ).
6
Q
What are the 4 Nitrogenous bases?
A
- Adenine.
- Thymine.
- Guanine.
- Cytosine.
7
Q
What are the nitrogenous base pairs?
A
- Adenine + Thymine.
- Guanine + Cytosine.
8
Q
Complementary meaning.
A
Combining to enhance quantities of each other or another.