Download Biology Study Guide CH 12 Part I DNA-RNA

Biology Study Guide CH 12 Part I DNA-RNA
1.Avery’s experiment’s showed that bacteria are transformed by ___________________.
2. Describe each part of Griffith’s experiment & list the conclusion from his experiement.
3. What would Hershey & Chase have concluded if BOTH radioactive Phosphorus-32 & Sulfur-35 were found in the
bacteria in their experiment?
4. Be able to ID a DNA molecule & label is parts…see figure 12-7 page 294 in text.
5. Define NUCLEOTIDE…be sure to know the 3 parts of the DNA nucleotide!
6. How would the amount of purines & pyrimidines found in the DNA molecule compare? *Remember that purines
are: Adenine & Guaine; Pyrimidines are: Thymine & Cytosine;
7. DNA is copied during a process called __________________.
8. DNA _____________ results in 2 DNA molecules, each consisting of one new strand & one original strand.
9. Be sure that you understand base pairing and can give the sequence of a complementary DNA strand.
10. Where is DNA located in a eukaryotic cell?
11. RNA contains the sugar _________.
12. List 3 differences between RNA & DNA.
13. How many types of RNA are there?
14. _______________ molecules are produced during TRANSCRIPTION.
15. Be able to use the “genetic code” diagram on page 303 figure 12-17.
16. How many codons are needed to specify three amino acids?
17. Why is it possible for an amino acid to be specified by more than one kind of codon?
18. During the process of ________________, the cell uses information from mRNA to produce proteins.
19. During translation, the type of amino acid that is added to the growing polypeptide depends on the ______ of
the mRNA and the ___________ on the tRNA to which the amino acid is attached.
20. Genes contain instructions for assembling _________________.
21. ____________ is the RNA type that functions as a blueprint of the genetic code.
22. The replication of the DNA molecule results in ________ copies of the same gene.
23. If a nucleic acid contains uracil, it is _____________.
24. During _____________, only one strand of DNA serves as a template.
25. Be able to determine anticodons from given codons.
26. The Watson & Crick model of DNA is a(an) ____________ ______________ , in which 2 strands are wound
around each other.
27. From the genetic code diagram on page 303 in your text…be able to list the codons that specify certain amino
acids that will be given on your test.
28. What causes translation to stop? BE SPECIFIC!
29. From a diagram that includes both RNA & DNA- be able to answer APPLICATION questions.
30. Describe IN DETAIL, the structure of the DNA molecule…please be able to give at least 4-5 specifics!