Formation of pre B-cell  describing__

A. Surrogate light chain formation 

B. On these surface present IgM

C. Heavy chain had been formed

D. DJ H chain recombination

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#Question id: 28515

#Unit 5. Developmental Biology

Which of the following is correct prediction, If an extra AER is grafted onto an existing limb bud?

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#Question id: 1306

#Unit 4. Cell Communication and Cell Signaling

In plant cells, the middle lamella:

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#Question id: 24494

#Unit 3. Fundamental Processes

U1 and U4 release Formation of the catalytic center in which U6 base pairs with the 5' splice site; U6 also base pairs with U2; U2 remains base paired with the branch site; U5 interacts with both exons through its loop is the characterstic of one of the stage during splicing, which is 

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#Question id: 1959

#Unit 4. Cell Communication and Cell Signaling

How do people contract salmonella poisoning?

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#Question id: 12431

#Unit 10. Ecological Principles

Nitrifying bacteria participate in the nitrogen cycle mainly by