DNA STRUCTURE AND HISTORY pt 1

Multiple Choice

what was the name of the photo taken of DNA

• Photos 47

• Photo 51

• Photo 37

• Photo 61

Multiple Choice

Who is credited with creating the first model of DNA

• Robert Mathison and William Robins

• James Watson and Francis Crick

• William Smith and Aubrey Graham

Multiple Choice

What is DNA a BLUEPRINT for

• Protein

• Carbohydrates

• Lipids

• A house

Multiple Choice

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

Multiple Choice

The letters of the DNA alphabet are:

• A, C, G and T

• A, O, G, and T

• C, G, P and T

• C, G, T and D

Multiple Choice

Identify which of these statements is correct, the percent (%) of guanine is equal to the percent of

• adenine

• thymine

• cytosine

• guanine

Multiple Choice

In organism #1 there is 13% thymine in a molecule of DNA, Determine the percent (%) _____ cytosine.

• 13%

• 26%

• 37%

• 74%

Multiple Choice

If a DNA stand has 32 % guanine before semi conservative replication occurs, what percent thymine will each new strand have after replication? 

• 64%
• 32%
• 18%
• 36%