Use the figure to answer the question below. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes. What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis? 

#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