The classic experiment that demonstrated that radioactively labeled viral DNA transforms bacterial cells was performed by a

1. The classic experiment that demonstrated that radioactively labeled viral DNA transforms bacterial cells was performed by
   a. Griffith.
   b. Avery, MacLeod, and McCarty.
   c. Kossel and Levene.
   d. Hershey and Chase.
   e. Watson and Crick.

D

2. Which of the following describes the flow of genetic information as stated in the central dogma of molecular biology?
   A. RNA --> protein --> DNA
   B. RNA --> DNA --> protein
   C. protein --> RNA --> DNA
   D. DNA --> RNA --> protein
   E. protein --> DNA --> RNA

D

3. The DNA "backbone" is composed of
   A) an amide bond between deoxyribose and a nitrogenous base.
   B) a glycosidic bond between deoxyribose and a nitrogenous base.
   C) a phosphodiester bond between the 3'- and 5'-hydroxyl groups of adjacent deoxyribose residues.
   D) a phosphodiester bond between the 2'- and 5'-hydroxyl groups of adjacent deoxyribose residues.
   E) None of the above are correct.

C

4. Nucleosomes are composed of all of the following except ________.

H5

5. There are approximately _________ human genes.
   a. 10,000
   b. 20,000
   c. 100,000
   d. 1,000,000
   e. 10,000,000

B

6. ______ are gene sequences that code for a gene product.
   a. Introns
   b. Exons
   c. Nucleosomes
   d. Cruciforms
   e. Snurps

B

7. complete dna base sequence in an organism

genome

8. Protein synthesis is called

Translation

9. The entire set of proteins synthesized by a cell is called

proteome

10. ) The polyamines assist in the compression of eukaryotic chromosome structure because they

possess positive charges that interact with negative charges of DNA