What Does DNA Look Like?

The completmentary base to guanine is___.

• cytosine
• thymine
• adenine

The base that complements adenine is ___

• cytosine
• thymine
• guanine

One of the four bases of DNA is

• sugar
• phosphate
• nucleotide
• cytosine

Using diffraction what did Rosalind Franklin show the shape DNA to be?

• a circle
• a rectangle
• a pentagon
• a spiral

A DNA model is built like a 

• pyramid
• piece of twine
• a long, twisted ladder
• a line

The sides of a DNA ladder at made of

• bases
• phosphates and sugars
• helixes and twists

The rungs of the ladder are made of

• a pair of phoshate and sugar
• a pair of  bases
• helixes and twists

Where does DNA spilt to be copied?

• down the middle
• across the top
• along the sides
• between the phosphates

Where does DNA spilt to be copied?

• down the middle
• across the top
• along the sides
• between the phosphates

What letters represent bases in DNA?

• A B C D
• E I O U
• J R I S
• A T G C