#Question id: 2249
#Unit 2. Cellular Organization
In intestinal lumen epithelial cells, which of the following occurs by passive transport?
a. import of Na+ on the apical side
b. export of Na+ on the basal side
c. import of glucose on the apical side
d. export of glucose on the basal side
#Question id: 18811
#Unit 13. Methods in Biology
#Question id: 26500
#Unit 3. Fundamental Processes
#Question id: 4291
#Unit 3. Fundamental Processes
There are two classes of release factors. Match the following
A. Class I release factors |
1. recognize the stop codons and trigger hydrolysis of the peptide chain from the tRNA in the P-site. |
B. Class II release factors |
2. stimulate the dissociation of the class I factors from the ribosome after release of the polypeptide chain. |
C. RF1 |
3. recognizes the stop codon UAG |
D. RF2 |
4. recognizes the stop codon UGA. |
E. RF1 & RF2 |
5. UAA |
#Question id: 11396
#Unit 9. Diversity of Life Forms
Carl Woese and collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?