Exam (elaborations)
WGU D512 Exam 2 |40 Questions with Verified Answers,100% CORRECT
- Course
- Institution
WGU D512 Exam 2 |40 Questions with Verified Answers
[Show more]
Content preview
WGU D512 Exam 2 |40 Questions with Verified AnswersAll of the following statements regarding the amino acid codon to make a
polypeptide chain are true EXCEPT one. Which one is the EXCEPTION? A: Is made
up of four basic nucleotides; GATC
B: Is read in a sequence of three nucleotides
C: Can result in start codons and stop codons
D: Is read directly from the DNA strand - CORRECT ANSWER D
Mistakes in proofreading of the genetic codon can result in the introduction of a
mutation that prematurely terminates the polypeptide chain. This type of
mutation is called a ______ mutation.
A: missense
B: silent
C: nonsense
D: frameshift - CORRECT ANSWER C
All of the following statements are true EXCEPT one. Which one is the
EXCEPTION?
A: Alleles are different versions of a gene that control a trait.
B: Alleles can be dominant or recessive.
C: Alleles are not passed from mother to fetus.
D: Alleles alter the phenotype of an organism. - CORRECT ANSWER C
Organisms that have two copies of each chromosome are called?
A: Aneuploid
B: Diploid
C: Polyploidy
D: Haploid - CORRECT ANSWER B
DNA replication can result in the introduction of double mutations. Choose the
correct statement?
A: Double mutations can occur on the same gene or multiple genes
B: Double mutations can suppress or activate phenotypes
, C: Double mutations can lead to synthetic lethality
D: All of the above - CORRECT ANSWER D
During a mouse breeding experiment, a heterozygous female mouse was crossed
with male mouse that was heterozygous for the same allele. What do you expect
to see in the F1 progeny (first generation)?
A: Half will be homozygotes and half will be heterozygotes
B: Three-fourths will be homozygotes and one-fourth will be heterozygotes
C: One-fourth will be homozygotes and three-fourths will be heterozygotes
D: All will be heterozygotes - CORRECT ANSWER A
Only one of the following restriction endonucleases can be used for direct blunt
end ligations into an appropriately cleaved vector. Choose the correct enzyme
(the cut site is indicated by the * in the recognition sequence)
A: TaqI (T*CGA)
B: EcoRV (GAT*ATC)
C: EagI (C*GGCCG)
D: NsiI (ATGCA*T) - CORRECT ANSWER B
Southern blotting is an in vitro technique used to detect?
A: DNA.
B: RNA.
C: Proteins.
D: Carbohydrates. - CORRECT ANSWER A
Which of the following statements best describes an autosomal recessive disease
(such as cystic fibrosis) in which the female parent is healthy but the male parent
has the disease?
A: Only male children will have the disease
B: Only female children will have the disease
C: All children will have the disease
D: All children will be carriers for the disease - CORRECT ANSWER D
Which of the following statements is TRUE regarding siRNA and shRNA?
A: siRNA blocks transcription while shRNA blocks translation
B: siRNA and shRNA block translation
C: siRNA blocks translation while shRNA blocks transcription
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller paulhans. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
85443 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now