What are the molecules mediating signal transduction following antigen binding to cell surface immunoglobulin on a B-cell called?

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#Question id: 3761

#Section 3: Genetics, Cellular and Molecular Biology

 Which of the following statements correctly describes the difference between ATP and the nucleotides used during DNA synthesis?

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#Question id: 14665

#Section 4: Fundamentals of Biological Engineering

A bacteria moves at a speed of 150μm/s. What is its speed in Km/day........10^-3?

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#Question id: 15676

#Section 6: Plant, Animal and Microbial Biotechnology

The dairy industry also sometimes uses ultrahigh-temperature (UHT) sterilization. Milk and milk products are heated at

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#Question id: 3931

#Section 3: Genetics, Cellular and Molecular Biology

Which has its primary transcript produced in the nucleolus?

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#Question id: 13108

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 

 Why is it that some people show three bands?