When an allotetraploid (AABB) is backcrossed to one of its progenitor species (AA), a sterile progeny is produced.  The genomic composition of this sterile individual can be best represented by

TLS Online TPP Program

#Question id: 14124

#SCPH01 Biochemistry

which of the following database is the first established sequence pattern database?

TLS Online TPP Program

#Question id: 385

#SCPH05 I Biotechnology

In which reaction below does water not participate as a reactant (rather than as a product)?

TLS Online TPP Program

#Question id: 664

#I Life Science/ Life Sciences Group – I-V

Which is evidence that structures for proteins determined by X-ray crystallography represent the structures in solution?

TLS Online TPP Program

#Question id: 6945

#SCPH28 | Zoology

The portion of the Drosophila body plan which will produce the wing is called

TLS Online TPP Program

#Question id: 2724

#SCPH05 I Biotechnology

When DNA is compacted by histones into 10 nm and 30 nm fibers, the DNA is unable to interact with proteins required for gene expression. Therefore, to allow for these proteins to act, the chromatin must constantly alter its structure. Which processes contribute to this dynamic activity?