Is this the right answer can someone please answer me ?

What is the correct trna sequence that would match the following mrna sequence.gcgaua

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate