DNA and Biotech Assessment Review

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

Which of the following displays the correct order of PCR DNA amplification? 
1. Primers anneal themselves to certain sequences
2. DNA is denatured by heating to 94 degrees C
3. Free nucleotides attach and build the strand
4. DNA is placed into solution with primers and nucleotides

• 4-2-3-1
• 2-4-1-3
• 2-4-3-1
• 4-2-1-3

Terri is creating a model of DNA, which of these shapes illustrates how her model should look? 

• A
• B
• C
• D

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

• DNA is negatively charged
• DNA is positively charged
• the agarose gel in negatively charged
• the agarose gel is positively charged

Where is DNA found in the body?

• Cells nucleus
• Heart
• Cartilage
• Muscle

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob
• Sue
• John
• Lisa