PBS EOC Review

What is the structure of purines?

• A single 5 carbon ring
• A single 6 carbon ring
• A double ring with one six carbon and one 5 carbon ring
• A double ring with two four carbon rings

What is the role of an restriction enzyme?

• Create a pattern of a person's DNA
• Act as molecular scissors that cut DNA
• Separate and compare different DNA sequences
• Produce millions of copies of DNA

_______ has a double ring structure and is an example of a _______

• adenine... purine
• thymine... pyrimidine
• cytosine.....purine
• guanine....pyrimidine

Who should the lawyer request a warrant for?

• Suspect 1
• Suspect 2
• Suspect 3
• Suspect 4

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

How many rings does a pyrimidine have?

• 1
• 2
• 3
• 4

Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the control?

• The customers 
• The crabby patty
• The colored buns
• The number of customers

What is produced as a result of DNA being cut by restriction enzymes?

• Restriction Fragment Length Polymorphisms 
• Restriction Fragmented Long Palindromes
• Polymerase Chain Reaction
• Polymorphic Fragment Chains

DNA is ________ charged and migrates to the ________ end of the gel.

• negative, positive
• positive, negative
• negative, neutral
• positive, neutral

What is the backbone of DNA made out of?

• Phosphates and sugars
• Basepairs
• Deoxyribose
• Hydrogen bonds