#Question id: 33308
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 1301
#Unit 4. Cell Communication and Cell Signaling
The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?
#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: 10325
#Unit 9. Diversity of Life Forms
Ultimately, which of these serves as the basis for both the principle of maximum parsimony and the principle that shared complexity indicates homology rather than analogy?
#Question id: 33507
#Unit 2. Cellular Organization