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WGU C785 Final Exam Questions And Correct Answers Verified Latest Guaranteed Pass Grade A + UPDATED!!
WGU C785 Final Exam Questions And Correct Answers Verified Latest Guaranteed Pass Grade A + UPDATED!!
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WGU C785 Final Exam Questions And CorrectAnswers Verified Latest 2024-2025 Guaranteed
Pass Grade A + UPDATED!!
Hemophilia Pedigree - Father has hemophilia, mother
does not. What is the outcome for their kids? --ANSWER-
>His daughters would be carriers. This is x-link recessive.
Autosomal:
Dominant: --ANSWER->Autosomal: males and females
equally affected.
Dominant: non-carrier parents
polymerase chain reaction (PCR) --ANSWER->The process
of copying DNA in the lab. Uses Template DNA,
Nucleotides (dNTPS), DNA Polymerase, and DNA primers.
3 Steps of PCR --ANSWER->1. Denaturation: DNA is
heated to 95C to separate it.
,2. Annealing: reaction is cooled to 50C; primers stick to
the DNA you want to copy and add DNA polymerase.
3. Elongation: reaction heated to 70C and DNA
polymerase, adding nucleotides building a new DNA
strand.
Base Excision Repair (BER) --ANSWER->How you repair a
mutation. BER is used to repair damage to a base caused
by harmful molecules. You remove the base that is
damaged and replace it. *BER removes a single
nucleotide*
DNA glycolsylase - sees damaged DNA and removes it.
DNA polymerase-puts the right one back in while DNA
ligase seals it.
Mismatch repair (MMR) occurs during: --ANSWER-
>replication. DNA polymerase proofreads but sometimes
a mismatch pair gets through. MMR removes a large
section of the nucleotides from the new DNA and DNA
polymerase tries again. (Ex: C-T instead of C-A)
Mismatch Repair corrects what kind of DNA damage? --
ANSWER->When a base is mismatched due to errors in
replication. Such as G-T instead of G-C. DNA polymerase
comes by and fixes it.
, What happens when DNA polymerase binds to DNA to
make RNA? --ANSWER->TRANSCRIPTION! DNA
polymerase takes the individual nucleotides and matches
them to the parental sequences to ensure a correct pair.
It must bind with RNA primer to work.
What is needed for DNA replication? --ANSWER->DNA
polymerase
Nonsense Mutation --ANSWER->Change in 1 nucleotide
produces a STOP codon Stop= nonsense because it is no
more.
Silent Mutation --ANSWER->Change in 1 nucleotide but
codes for the same amino acid. Silent= the change
doesn't change the name of the protein
Missense Mutation --ANSWER->Change in 1 nucleotide
leads to a code for a different amino acid. Missense =
mistake was made.
What happends during RNA splicing? --ANSWER->During
RNA splicing introns are cut out, the remaining exons are
joined together.
5'ATG AGT CTC TCT 3'
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