#Question id: 28421
#Unit 5. Developmental Biology
during chick development, the peripheral ring of blastoderm cells that have not shed their deep cells is called__
#Question id: 4290
#Unit 3. Fundamental Processes
23S rRNA catalyze peptide-bond formation explained by the model of proton shuttle given in figure.
Which of the following statements is/are CORRECT for this model?
A. Base pairing between the 23S rRNA and the CCA ends of the tRNAs in the A- and P-sites positions is crucial for this reaction
B. This catalytic mechanism involves entropy
C. 2’-OH of the P-site tRNA act as part of a “proton shuttle”
D. it is a protein that catalyses peptide bond formation
#Question id: 1067
#Unit 4. Cell Communication and Cell Signaling
The best known chronic infection involves
#Question id: 2832
#Unit 2. Cellular Organization
Reporter genes are used to
a. express enzymes that are not easily assayed in cell extracts.
b. express enzymes that are easily assayed in cell extracts.
c. characterize DNA control elements.
d. characterize reporter plasmids.
#Question id: 24587
#Unit 3. Fundamental Processes
GC – TA transversion caused by the insertion of