Which of the following cell types are responsible for initiating a secondary immune response?

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#Question id: 8944

#XL - R Botany

Which two groups are most clearly represented in the Ediacaran fauna?

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#Question id: 10506

#XL - R Botany

Plant growth promoting rhizobacteria (PGPRs) such as Pseudomonas aeruginosa, that alleviate plant abiotic or biotic stress in soil by releasing of

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#Question id: 5090

#XL - T Zoology

Which of the following is a correct description of the fate of the germ layers?

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#Question id: 6946

#XL - T Zoology

The adult body plan of the fly is based on reiterating structures called segments; segment precursors (parasegments) are first positioned at the cell-by-cell level by which group of genes?

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#Question id: 8923

#XL - T Zoology

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?