ACS Biochemistry Exam– Questions With Solutions
(100% Correct)
What is a nucleotide? Right Ans - Nucleotides are the monomer unit of
nucleic acids. They're composed of a nitrogenous base, 5-carbon sugar and a
phosphate group
What is a biopolymer? Right Ans - A polymer that is made by a living
organism
Nucleic acids are biopolymers of what? Right Ans - DNA and RNA
What are the key features of DNA? Right Ans - DNA is more stable
carries genetic information
double-stranded
What are the key features of RNA? Right Ans - RNA is less stable
Most forms are ntermediate in expression of genetic information
Can form secondary structures by hydrogen bonding with itself (ex: tRNA)
Usually single-stranded
What are the types of RNA, and what do they do? Right Ans - tRNA: transfer
RNA, holds amino acids used in protein synthesis, wobble
rRNA: ribosomal RNA, part of the ribosome
siRNA: small interfering RNA,short term silencing of pleiotrophin coding
genes, targets mRNA for degradation
miRNA: micro RNA, silencing and post-transcriptional regulation of gene
expression
RNA serves a wide variety of purposes compared to DNA; they can also
catalyze reactions
Why does inosine display true wobble qualities? Right Ans - Ff that is the
first nucleotide in the anticodon then any of three bases in the original codon
can be matched with the tRNA
What are the two categories of nitrogenous bases? Right Ans - Purines and
Pyrimidines
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 LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.