In nucleosome structure the histone ________ aids in stabilizing the wrapping of DNA around the protein octomer

1. In nucleosome structure the histone ________ aids in stabilizing the wrapping of DNA around the protein octomer.

H1

2. Chromatin contains several levels of structure which include
   a. nucleosomes.
   b. 200 nm filaments.
   c. 30 nm fiber.
   d. Both B and C are correct.
   e. All of the above are correct.

E

3. D loops and variable loops are found in _______

tRNA

4. Which of the following are involved in the splicing of RNA molecules?
   a. Snurps
   b. snRNA
   c. rRNA
   d. Both A and B are correct.
   e. All of the above are correct.

D

5. The DNA strand that acts as a template during transcription is referred to as the ______ strand.
   a. sense
   b. antisense
   c. transcribed
   d. All of the above are correct.
   e. None of the above are correct.

B

6. Determine the mRNA sequence for the following DNA sequence.
   3'-CGGUAAAGGGCAAU-5'

5'-GCCATTTCCCGTTA-3'

7. Which of the following does not contribute to the noncovalent interactions that stabilize the helical strands of DNA

phosphodiester bonds

8. During a transition mutation which of the following bases would be substituted for cytosine?

thymine

9. The polyamines are a class of DNA binding molecules that include ______.

spermidine & spermine

10. _______ are structures that occur at the ends of chromosomes

telomeres