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PROTEIN SYNTHESIS REVIEW
1. What does DNA stand for?
2. What is this group of organic molecules called?
3. What is the name of the DNA structure (shape)?
4. What are the building blocks of DNA?
5. This building block consists of three components. What are they?
6. Name (not just letter) the four nitrogen bases and how the pair.
7. The process that produces two new double helixes that are identical to the original
is called?
8. Why does this process take place? (Why do we need a new set of DNA?)
9. What does the term “semi conservative” mean when discussing DNA?
10. Protein synthesis consists of two primary processes, Name these and identify the
fundamental purpose of each process. Be sure to mention where each process
takes place (be specific).
11. Fill out the chart details the four primary ways that DNA and RNA are different?
DNA
RNA
1.
2.
3.
4.
12. What does the ‘m’ of mRNA stand for and what is the purpose of this molecule?
13. What does the ‘t’ of tRNA stand for and what does this molecule bring to the
ribosome?
14. What are three nitrogen bases on an mRNA molecule called? What are the
complimentary three bases on a tRNA molecule called?
15. At one point in our discussions we mentioned Okazaki fragments. What are these
fragments? Why are they formed and what processes are they part of?
16. Identify the traits of a creature with the following DNA sequences.
Gene A
DNA
ATG ACG
ATC
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Gene B
DNA GTA
CAC
GGC
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Gene C
DNA
AAT TGT ATC
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Gene D
DNA
TGG CTA GAT
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Gene E
DNA
TGT CGG GGC
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Gene F
DNA
GCG
TCT
GAC
mRNA _____ ____
____
tRNA _____ ____
____
A.A. _____
_____ ____
Trait __________________
Traits Chart
Amino acid sequence
trait
Methionine-threonine-isoleucine
fangs
Arginine-proline-phenylalanine
fire breathing
Valine-histidine-glycine
two legs
Serine-glutamic acid-tyrosine
four legs
Alanine-cysteine-glycine
no legs
Asparagines-cysteine-isoleucine
feathers
Histidine-leucine-valine
fur
Phenylaline-isoleucine-lysine
scales
Aspartic acid-proline-tyrisube
blue
Trytophan-leucine-glutamic acid
orange
Cysteine-alanine-methionine
green
Cysycteine-arginine-glycine
tail
Cysteine-arginine-glutamic acid
no tail
Alanine-serine-asparagine
two eyes
Alanine-serine-aspartic acid
cross-eyed
Arginine-tyrosine-valine
one eye