Tuesday, January 12, 2016

Tuesday, January 12, 2016
If you were out, copy the notes below to your journal on page 57 and borrow a textbook to read from page 128 to page 133.

On page 57 in your journal, copy the following notes:
U3Act3: Structure of DNA

Key Question: What do people know about the structure of DNA?

Genes: a segment of DNA that carries herediatry instructions and ar passed from parents to offspring; located on chromosomes.
DNA (Deoxyribonucleic Acid) is made up of 4 nucleotides (building blocks).
Nucleodtids are made of phsopahte, sugar and a base.
4 bases : Adenine (A), Thymine (T), Guanine (G) and Cytosine (C


Please visit the red Absentee notebook in class to see this picture.



Drawing of the sugar (pentose - a sugar made of 5 carbons), phosphate and base

Pairing: A<-->T, G<-->C

On Page 56, write: What is the complementary DNA strand to:

ACCTAGTTG