#Question id: 4077
#Unit 3. Fundamental Processes
Which of the following is (are) associated with most polyadenylation events?
a. cleavage of the 5´ end of the RNA molecule
b. an assembly of a large, multiprotein complex
c. the AAUAAA site upstream of where polyadenylation will occur
d. a GU-rich or U-rich region near the cleavage site
e. slow addition of A residues followed by rapid addition of 200 to 250 more A residues
#Question id: 10614
#Unit 10. Ecological Principles
K selected species in forest is characterized by
#Question id: 163
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements about cystine is correct?
#Question id: 30088
#Unit 2. Cellular Organization
Which type of transposable element is only found in eukaryotes (not prokaryotes)?
#Question id: 11326
#Unit 10. Ecological Principles
This soil horizon is characterized as rich in humus and consists of partly decomposed organic material mixed with mineral soil.