Dna: Replication And Protein Synthesis

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DNA: Replication and Protein Synthesis
Problem: What does DNA do?
DNA is involved in two activities:
and
Level II:
1. Information:
DNA Structure:
(1) What makes up the DNA
molecule? (2) What is a helix?
2. Construct a working model or detailed
(3) Where are the hydrogen bonds and
flow chart to show how DNA replicates.
the covalent bonds? (4) Why is each
Include both enzymes: helicase and
type of bond significant?
DNA polymerase.
Nucleotides:
(5) What are the names of the bases in
DNA? (6) What are the symbols of
3. Construct a working model or detailed
the bases? (7) How do the bases pair?
flow chart to show protein synthesis
(8) Why do the bases pair as they do?
(including transcription and
(9) What are the three parts of a
translation). Use the following flow
nucleotide? (10) What is the function
chart as a guide:
of each part?
Replication:
(11) How does replication happen?
replication of DNA
(12) When do cells replicate DNA?
(13) Why do cells replicate DNA?
(14) Which enzymes are involved in
DNA
replication? (15) What role does each
enzyme play in replication?
(16) Review hydrolysis and
condensation (dehydration synthesis).
mRNA
When does each type of reaction occur
during replication?
RNA:
(17) What are the names of the bases
amino acid sequence
in RNA? (18) What are the three
types of RNA? (19) What does each
type of RNA do? (20) What is a triplet
codon? (21) What is the function of a
protein
codon? (22) What is an anticodon?
(23) What is the function of an
anticodon? (24) Describe the structure
of tRNA. (25) How is the genetic
code used to determine which amino
acid a codon codes for?
Additional Questions:
1. How might the process of protein synthesis be started and stopped?
2. What might happen to a newly formed protein?
3. The protein made by the process of protein synthesis you described does not match the idea of protein structure
discussed during our study of enzymes (review the structure of an enzyme). What might happen after protein
synthesis?

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