in a single polymerase chain reaction (pcr) cycle consisting of 15 seconds at 94°c, 30 seconds at 50°c, and 1 minute at 72°c, what is happening in the step run at 50°c?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided