BIOL 1010 Quiz on QS#18

Based on the gel of the family with MSUD, a person with MSUD will have how many bands for this gene? 0 1 2 3 4

1

Based on the gel of the family with MSUD, a who is healthy and is not a carrier for MSUD will have how many bands for this gene? 0 1 2 3 4

2

Emma and Jacob are both heterozygous for MSUD. What art the chances that their next child will have MSUD? 100% 75% 50% 25% 0%

25%

Which of the following is required to include in your PCR tube? original DNA free nucleotides Taq polymerase primers all of the above

ALL OF THE ABOVE

In a gel, small DNA fragments move toward the positive electrode and large fragments move toward the negative electrode. TRUE FALSE

FALSE

Biotechnology applications include medicine, agriculture, industrial and household applications. TRUE FALSE

TRUE

What occurs during the heating cycle of PCR? Bacteria are killed Nucleotides are destroyed The two strands of DNA are linked back together by hydrogen bonds A new strand of DNA is synthesized The two strands of DNA are separated

The two strands of DNA are separated

How many DNA molecules would you have after 3 cycles of PCR? one two four eight sixteen

eight

Once a length of DNA is cut into pieces, the pieces can be separated using gel electrophoresis PCR methylene blue stain electron microscopy osmosis

gel electrophoresis

DNA fragments will move slower in a gel if the fragments are large small intermediate

large

The phosphate groups of nucleotides have a net positive charge negative charge neutral

negative charge

A restriction enzyme acts like a a magnifying glass blender pair of scissors a piece of tape

pair of scissors

A restriction enzyme is a type of RNA DNA protein virus plasma membrane

protein