All the following statements are true about a nucleosome except:

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#Question id: 8900

#Unit 9. Diversity of Life Forms

Which of the following statements about craniates is (are) correct?

1. Craniates are more highly cephalized than are non-craniates.

2. Craniatesʹ genomic evolution includes duplication of clusters of genes that code for transcription factors.

3. The craniate clade is synonymous with the vertebrate clade.

4. Pharyngeal slits that can assist in gas exchange originated in craniates,

5. The two-chambered heart originated with the early craniates.

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#Question id: 11599

#Unit 6. System Physiology – Plant

Where the highest levels of gibberellins are found?

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#Question id: 35

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange the following molecular components of an E. coli cell in terms of their percentage of total weight cell.

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#Question id: 9611

#Unit 9. Diversity of Life Forms

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

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#Question id: 1652

#Unit 4. Cell Communication and Cell Signaling

With reference to the variable Ig domain, which of the following statements is FALSE?