Animal cognition

Some animal, especially many mammal, bird have cognitive ability that  extend to reasoning, problem solving, tool used and symbolic  communication.

TLS Online TPP Program

#Id: 10342

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 10343

#XL - Q Biochemistry

The heavy chain is then expressed on the cell surface in combination with the surrogate light chain, which is made up of VpreB and λ5. 

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#Id: 10344

#XL - Q Biochemistry

B- cell maturation

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#Id: 10345

#XL - Q Biochemistry

T1 and T2 Transitional B Cells

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#Id: 10346

#XL - Q Biochemistry

T1 cells are mIgMhi, mIgD -/lo, CD21-, CD23-, CD24+, and CD93+. 

T2 cells differ from T1 cells in having higher levels of mIgD and in expressing CD21 and CD23. 

TLS Online TPP Program

#Id: 10347

#XL - Q Biochemistry

Transitional B cells bound for a follicular fate undergo positive and negative selection in the spleen.