High affinity B-cell clones in mammals are usually generated by:

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#Question id: 8888

#SCPH28 | Zoology

In a small stream, you pick up a rock and observe many small, flattened worms crawling on its undersurface. You decide that they belong to the phylum Platyhelminthes. To which class do they probably belong?

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#Question id: 14769

#SCPH05 I Biotechnology

which one of the following is a database of protein sequence motifs?

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#Question id: 1747

#SCPH01 Biochemistry

Cytokines always act:

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#Question id: 10502

#SCPH05 I Biotechnology

Arabidopsis roots in iron-deficient growth media, thereby facilitating increased iron uptake. The resulting increase in iron content of the plants by

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#Question id: 4331

#SCPH06 I Botany

In eukaryotic cells, transcription cannot begin until