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These are exercise test questions to help build your knowledge of Proteins, Amino Acids, Nucleic Acids, Electron transport chain and Tricarboxylic acid lectures. This will help expand your knowledge on the topics to maximize learning at a deeper level, build confidence and help you succeed in the course.
1. Which of the following interactions is LEAST LIKELY to contribute to the overall 3-dimensional structure of a protein and its physiological function?
A. Hydrophobic regions
B. Hydrogen bonding
C. Conduction of heat
D. Disulfide bonds
E. Ionic bonding
2. Which of the following classifications will MORE LIKE describe the dual function of the side groups of an amino acid acting as polar binding site as well as an acid-base buffer?
A. Non-polar amino acids
B. Polar and uncharged amino acids
C. Polar and charged amino acids
D. Peptide bonds
E. L-form isomers
3. Which of the following statements is the MOST ACCURATE in regards to the DNA molecular structure?
A. DNA is a single stranded molecule with secondary and tertiary structures of a common protein.
B. DNA strands run in the same direction and are parallel to each other in a linear fashion to keep the DNA molecule intact.
C. The DNA molecule has a double stranded spiral shape with two types of grooves for protein interactions.
D. The phosphodiester bond formed between the carbon atoms of two adjacent ribose sugars facilitates the overall shape of the DNA molecule.
E. The overall shape of the DNA molecule is determined by base pairing between two purines (adenine and guanine) or two pyrimidines (cytosine and thymine).

4. In which region of the tRNA molecule would amino acids MOST LIKELY bind?
A. Anticodon
B. Ribothymidine
C. Dihydrouridine
D. 3' end adenosine
E. Pseudouridine

5. Which of the following DNA repair mechanisms MOST LIKELY corrects the addition of bulky adducts on the bases of DNA?
A. Base Excision
B. Replication
C. Mismatch
D. Nucleotide Excision
E. Transcription-Coupled
6. Which of the following processes BEST describe the release of an uncharged-tRNA on the P site and the movement of a peptidyl-tRNA from the A site to the P site of the 80S ribosome?
A. Replication
B. Transcription
C. Initiation
D. Translocation
E. Termination

7. Which of the following statements is the LEAST ACCURATE about DNA polymerase delta?
A. This enzyme starts adding polynucleotides to the newly synthesized DNA chain after an RNA-DNA primer is formed on both the leading and lagging strands.
B. This enzyme can synthesize about 200 nucleotides of DNA in the lagging strand before it reaches the RNA primer of the next Okazaki fragment.
C. This enzyme continuously adds polynucleotides to the newly synthesize DNA in the leading strand.
D. This enzyme is also considered a 3' to 5' exonuclease that proofreads the newly synthesize DNA to detect and repair DNA changes.
E. This enzyme has the capabilities of an RNA polymerase and completes DNA synthesis at the end of the chromosomes.

8. Which of the following DNA mutations will MOST LIKELY produce a defective mRNA with a different reading frame than normal?
A. Point Mutations
B. Frameshift
C. Missense
D. Nonsense
E. Silent

Questions & Answers

what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Biochemistry exercises. OpenStax CNX. Apr 06, 2016 Download for free at https://legacy.cnx.org/content/col11386/1.4
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