Genetics: S-35, P-32, snoRNA, nucleosome, 7-methylguanosine, etc.

Question 1

2 out of 10 points

	Which eukaryotic RNA polymerase synthesizes messenger RNA via pre-mRNA? Answer
	Selected Answer: C. RNA polymerase II

Question 2

2 out of 10 points

	Which radioisotope did Hershey and Chase use to label protein? Answer
	Selected Answer: B. S-35

Question 3

2 out of 10 points

	What is the role of snoRNA? Answer
	Selected Answer: C. to cut out eukaryotic ribosomal RNA

Question 4

2 out of 10 points

	Chromatin is described as "beads on a string." What is the scientific name for the structure that forms the "beads"? Answer
	Selected Answer: C. nucleosome

Question 5

2 out of 10 points

	Which step of eukaryotic mRNA processing helps to protect the 5' end of the mRNA? Answer
	Selected Answer: B. 7-methylguanosine addition

Question 6

2 out of 10 points

	Which type of RNA has buoyant densities of 28S, 5.8S, 18S and 5S? Answer
	Selected Answer: B. eukaryotic rRNA

Question 7

2 out of 10 points

	Which radioisotope did Hershey and Chase use to label DNA? Answer
	Selected Answer: A. P-32

Question 8

2 out of 10 points

	Which type of RNA has introns? Answer
	Selected Answer: A. eukaryotic pre-mRNA