Exam (elaborations)
DSA 11 QUESTIONS AND ANSWERS FULLY SOLVED
- Course
- Institution
Exam of 4 pages for the course DSA at DSA (DSA 11)
[Show more]
Content preview
DSA 11What are the stop codons? And start codons? - answerUAG; UAA; UGA
AUG- Met
What are the characteristics of the genetic code? (4) - answer1. unambiguous
2. degenerate
3. universal
4..non-overlapping
2 types of mutations - answer1. point mutation
a. silent
b. missense
c. nonsense
2. frameshift mutation
Explain missense, nonsense and silent mutation - answer1. Missense: results in
incorporation of a different amino acid
2. Nonsense: formation of stop codon
3. Silent: specifies the same amino acid
What happens in a frameshift mutation? - answerInsertion or deletions change the
reading frame. All amino acids after will be different
Example of frame shift mutation - answer"Read through" a termination codon to results
in a really long protein
Ex: Abnormal Hb Wayne
What are the characteristics of tRNA? - answer1. Single RNA strand of about 80
nucleotides
2. 4 segments - cloverleaf
3. guanylate residue (GGG) at 5' end
4. CCA at the 3' end is the amino acid binding site
5. L-shaped when 3-D because of H-bonds.
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 Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77988 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now