BIO 120 Exam 3 Questions And Answers. Latest Exam

Question 1

3 out of 3 points


DNA is a polymer of nucleotides which each contain all of the following EXCEPT


Selected
Answer: an amino
acid


Question 2

3 out of 3 points


Which of the following is not a base found in DNA?

Selected
Answer: U
(Uracil)


Question 3

3 out of 3 points


The DNA base Guanine (G) normally pairs with which other base?

Selected
Answer: C


Question 4

3 out of 3 points
DNA replication is error free.
Selected False
Answer:

, Question 5

3 out of 3 points


DNA is ____

Selected
Answer: transcribed into
mRNA


Question 6

3 out of 3 points


Which of the following is a key molecule that catalyzes transcription?

Selected
Answer: RNA
polymerase


Question 7

3 out of 3 points


When you fuse together two DNA molecules from different sources (e.g. a fungus
and plant), you’ve created ____.

Selected
Answer: recombinant
DNA


Question 8

3 out of 3 points


A RNA molecule with 9 bases would encode how many amino acids?

Selected
Answer: 3