WGU C785 EXAM 2025/2026 QUESTIONS
AND ANSWERS 100% PASS
Polymerase chain reaction (PCR) - ANS process to copy DNA
What is needed to complete PCR - ANS Template DNA, Nucleotides (dNTPS), DNA
Polymerase, and DNA
Steps of PCR - ANS denaturation, annealing, elongation
denaturation - ANS loss of normal shape of a protein due to heat or other factor
Annealing - ANS cooled to 50c primers stick and want to copy and add DNA polymerase
Elongation - ANS reaction heated to 70C and DNA polymerase add nucleotides building a new
DNA strand.
base excision repair - ANS a modified base is first excised and then the entire nucleotide is
replaced
DNA glycosylase - ANS removes damaged DNA
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, DNA polymerase - ANS replaces to damaged DNA ligase seals it
base excision repair - ANS removes one single nucleotide
MIsmatch repair - ANS The cellular process that uses special enzymes to fix incorrectly paired
nucleotides.
What DNA damage is corrected by mismatch repair - ANS errors in replication fixed
What occurs when DNA polymerase binds to DNA to make RNA - ANS transcription ! DNA
polymerase takes the individual nucleotides and matches the them to the parental sequences to
ensure a correct pair. It must bind with RNA primer to work.
nonsense - ANS change in 1 nucleotide produces a STOP codon
silent mutation - ANS A mutation that changes a single nucleotide, but does not change the
amino acid created.
Missense - ANS a mutation that changes one amino acid
What happens during RNA splicing - ANS after transcription, the introns are removed and the
exons are hooks back together
DNA transcription - ANS the proccess of copying a section of dna in order to make proteins
DNA translation - ANS Process by which mRNA is converted into a protein
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
AND ANSWERS 100% PASS
Polymerase chain reaction (PCR) - ANS process to copy DNA
What is needed to complete PCR - ANS Template DNA, Nucleotides (dNTPS), DNA
Polymerase, and DNA
Steps of PCR - ANS denaturation, annealing, elongation
denaturation - ANS loss of normal shape of a protein due to heat or other factor
Annealing - ANS cooled to 50c primers stick and want to copy and add DNA polymerase
Elongation - ANS reaction heated to 70C and DNA polymerase add nucleotides building a new
DNA strand.
base excision repair - ANS a modified base is first excised and then the entire nucleotide is
replaced
DNA glycosylase - ANS removes damaged DNA
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, DNA polymerase - ANS replaces to damaged DNA ligase seals it
base excision repair - ANS removes one single nucleotide
MIsmatch repair - ANS The cellular process that uses special enzymes to fix incorrectly paired
nucleotides.
What DNA damage is corrected by mismatch repair - ANS errors in replication fixed
What occurs when DNA polymerase binds to DNA to make RNA - ANS transcription ! DNA
polymerase takes the individual nucleotides and matches the them to the parental sequences to
ensure a correct pair. It must bind with RNA primer to work.
nonsense - ANS change in 1 nucleotide produces a STOP codon
silent mutation - ANS A mutation that changes a single nucleotide, but does not change the
amino acid created.
Missense - ANS a mutation that changes one amino acid
What happens during RNA splicing - ANS after transcription, the introns are removed and the
exons are hooks back together
DNA transcription - ANS the proccess of copying a section of dna in order to make proteins
DNA translation - ANS Process by which mRNA is converted into a protein
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
