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Name _______________________
Period __________ Date _______
DNA NOTES
DNA = ______________________________
1. DNA is _________________________________________________________________
__________________________________________________________________________
2. DNA is located __________________________________________________________
3. DNA is composed of:
(1)
(2)
(3)
4. How is DNA held together?? ______________________________________________
5. Label and color the parts of DNA:
6. DNA model - “_________ ___________”
(1) Sides of ladder are made up of _______________________________________
(2) Sides are connected by ______________ bases (steps to the ladder)
(3) __________________________ - another word for twisted ladder
7. Here is a 3-D diagram of DNA. Label the parts:
8. The names of the nitrogenous bases are:
(1)
(2)
(3)
(4)
9. DNA Replication
(1) Every time a cell ______________, copies of ______ are made
(2) _____________________ – ______________ of __________
10. Fill in the proper base:
Adenine always pairs with _____________________.
Cytosine always pairs with _____________________.
Thymine always pairs with _____________________.
Guanine always pairs with _____________________.
11. How are you going to remember this?? ____________________________________
12. Who figured out the structure of DNA?? ___________________________________
13. Genes
(1) DNA contains ___________ and __________ for ____________
(2) Genes - sections of _______ that controls ______________
human _________________ such as __________ and
___________________________
Genes are
located on
chromosom
es.