PBS-Gel Electrophoresis Quiz

DNA is cut at specific nucleotide sequences by

• RFLPs

• Restriction Enzymes

• DNA Proteins

• Gel Electrophoresis

When running a gel electrophoresis, DNA will migrate towards the __________________ end because DNA has a __________________ charge.

• positive; positive
• negative; positive
• negative; negative
• positive; negative

Gel electrophoresis is used to separate the fragments of DNA. The larger pieces of DNA will travel __________________ the smaller fragments through the gel.

• at the same speed as

• further than

• slower than

• in the opposite direction as

Scientists are able to produce millions of copies of a specific DNA sequence from a small amount of DNA through the process of

• gel electrophoresis
• DNA sequencing
• Polymerase Chain Reaction
• RFLPs

Given the DNA strand GAATTCCTCGAG, what would be the complimentary strand to make the double stranded DNA?

• GAATTCCTCGAG
• CTTAAGGAGCTC
• AGGCCTTCTAGA
• None of the above

In DNA profiling by gel electrophoresis, DNA is separated on the basis of?

• Electrical charge
• Gender of the individual
• Race of the individual
  
• Number of base pairs (BP)

This laboratory procedure is known as

• CLONING

• gel electrophoresis

• chromatography

• use of a dichotomous key

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

• convert the DNA into gel

• cut the DNA into fragments

• change the color of the DNA

• produce longer sections of DNA

What is another name for restriction enzymes?

• molecular scissors

• bacterial cells

• phages

• Restriction endonucleases

The first restriction enzymes are produced naturally by bacteria.

• True

• False