Ch 4 review sheet

Chapter 4
DNA Review Sheet

I.  Questions
Complete all questions on a separate piece of paper.

1.  What is DNA? What does it stand for and what does it do?
2.  What is a nucleotide? What are the parts of a nucleotide?
3.  How many different bases are there? What are their names?
4.  Who was Chargaff and what did he determine?
5.  Who was Franklin and what did she do?
6.  What was Watson and Crick’s contribution in science?
7.  Describe the structure of DNA.
8.  Draw and label a picture of DNA. Label sugar, phosphate, and the bases.
9.  What is a mutation? How many are there?
10.  Briefly describe what occurs in each type of mutation.

II.  Practice Problems

1.  Match each side of DNA with its complementary base pairs.

A)  ACGTAGTACGGATCAGCATAACGTGTACGTATGCAT

B)  TAGCGATAGCAGTAGCGTTAGCGGATGCATGCATGT

C)  GTACGATAGACTGATATGCATGATCATGTACTAGTA

2.  Using the following model, identify which kind of mutation is shown in each example.
ACTGCTATG
TGACGATAC

A)    TACGATAC

B)  TCGACGATAC

C)  TGCCGATAC