ASU BIO 181 Exam 2 (modules 7-12)
Questions & Answers 2024
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle
the carbon that is different in RNA. - CORRECT ANSWER-...
Which enzyme unwraps the double helix? - CORRECT ANSWER-Helicase
Which enzyme is used first to permit DNA polymerase III to begin replicating the 3'
strand? - CORRECT ANSWER-Primase
The double helix of DNA is wrapped around 1 3/4 times around which of these
components? - CORRECT ANSWER-Nucleosome
In the lagging strand, the DNA is read from the parental DNA's 3' to 5' end. - CORRECT
ANSWER-True
Which strand is produced more rapidly? - CORRECT ANSWER-Leading Strand
During DNA replication in the lagging strand there is production of this component: -
CORRECT ANSWER-Okazaki Fragment
For DNA Polymerase III to work, which of these components has to act first? -
CORRECT ANSWER-Primase
DNA mutation is greatly reduced by enzymes that proof read the newly replicated DNA.
- CORRECT ANSWER-True
Strands of the backbone of DNA are parallel. - CORRECT ANSWER-False
Uridine is a nucleotide in DNA. - CORRECT ANSWER-False
Replication of DNA is semi-conservative. - CORRECT ANSWER-True
The DNA polymerase that replicates the parental strand of DNA reads the parental DNA
from 5' to 3' and makes a new DNA strand from 3' to 5'. - CORRECT ANSWER-False
DNA replication in eukaryotes is sped up by multiple origins of replication. - CORRECT
ANSWER-True
, Messenger RNA is double stranded. - CORRECT ANSWER-False
The genetic code for the conversion of mRNA codons to proteins has redundancy. -
CORRECT ANSWER-True
The light reactions produce ________ and ___ and this process also results in the
release of ______. - CORRECT ANSWER-NADPH+H+, ATP, oxygen
The Calvin-Benson cycle takes in ________ and ___ from the light reaction and also
______________ to make carbohydrates. - CORRECT ANSWER-NADPH+H+, ATP,
carbon dioxide
The antenna system is in the _________ membranes. - CORRECT
ANSWER-Thylakoid
The most abundant protein in the world is called _______. - CORRECT
ANSWER-Rubisco
Protein synthesis changes the language of ___________ to the language of
___________. - CORRECT ANSWER-nucleotides, amino acids
During mRNA maturation, what is the name of the part of the mRNA that is removed? -
CORRECT ANSWER-Introns
Which sugar is present in RNA? - CORRECT ANSWER-Ribose
List one type of post-translational modification. - CORRECT ANSWER-Proteolysis,
Glycosylation, or Phosphorylation
List the two basic categories of nitrogenous bases in nucleic acids. - CORRECT
ANSWER-Purines and Pyrimidines
How many "stop" codons exist? - CORRECT ANSWER-3
How many Hydrogen bonds are there between an A and its paired nucleotide? -
CORRECT ANSWER-2
In the ribosome, what is the name of the bond that links one amino acids to the next? -
CORRECT ANSWER-Peptide Bond
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 TUTORSON. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.