Question 1
In the DNA sequencing procedure, each of the four nucleotides is distinguished from the others by
◦ its molecular size.
◦ its position on a gel.
◦ its chemical properties.
◦ the color of a fluorescent dye attached to it.
◦ how much of it is present.
Question 2
In the PCR technique, what bonds are broken when DNA is heated?
◦ Hydrogen
◦ Covalent
◦ Ionic
◦ Hydrogen
and covalent
◦ Hydrogen, covalent,
and ionic