Questions pertaining to Lab Exercise 11, "DNA"

1. What is indicated by 1 through 3 in the illustration of the DNA molecule?

2. If a molecule of DNA were found to contain 33% adenine, could you calculate the expected amounts of the other bases? What would they be?

3. Which would be harder to break, the adenine-thymine base pair or the guanine-cytosine base pair. Explain your answer.

4. List the parent strand of DNA you used in activity 11.2 and then list its complimentary DNA strand.

Questions pertaining to Lab Exercise 12, "Protein Synthesis"

5. List the parent strand of DNA you used in activity 12.2 and then list its complimentary mRNA strand.

6. List the sequence of codons you used in activity 12.3 and for each, list its corresponding amino acid.

7. What is the amino acid sequence for the mRNA strand given on page 12/5?

8. What effect does the indicated mutation of C to A have in this sequence?

9. What effect does the indicated mutation of A to U have in this sequence?