Biotech Review

Front

Gel electrophoresis is a laboratory technique designed to separate molecules such as DNA, RNA, or proteins based upon what property?

Back

Size and charge

Front

What similarity between a blood sample collected at the site of a robbery and that of a suspect would indicate that the suspect was most likely responsible?

Back

matching DNA bands

Front

Why do some strands of DNA travel further in the gel than others after being cut in various sizes?

Back

Size of the DNA fragments

Front

What types of enzymes are used to cut strands of DNA into pieces before placing the DNA in a gel for gel electrophoresis?

Back

restriction enzymes

Front

What is a practical application for the process illustrated?

Back

DNA Fingerprinting

Front

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

Back

cut the DNA into fragments

Front

Whose blood was found in the blood stain at the crime scene? Options: Bob, Sue, John, Lisa

Back

John

Front

Which suspect is likely guilty? Options: Suspect #1, Suspect #2, Suspect #3

Back

Suspect #2

Front

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

Back

DNA is negatively charged so attracted to the positive end of the unit

Front

In gel electrophoresis, where will the largest DNA fragment appear?

Back

closest to the starting wells