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TLS Online TPP Program

#Question id: 158

At the isoelectric pH of a tetrapeptide:

#Section 2: General Biology

  1. only the amino and carboxyl termini contribute charge.

  2. the amino and carboxyl termini are not charged.

  3. the total net charge is zero.

  4. there are four ionic charges

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TLS Online TPP Program

#Question id: 1646

#Section 2: General Biology

The basic immunoglobulin (Ig) unit is composed of:
TLS Online TPP Program

#Question id: 1647

#Section 2: General Biology

A fragment antigen binding (Fab) fragment:
TLS Online TPP Program

#Question id: 1648

#Section 2: General Biology

The complementarity determining regions (CDRs):
TLS Online TPP Program

#Question id: 1649

#Section 2: General Biology

Which of the following gene clusters do NOT contribute to antigen binding?
TLS Online TPP Program

#Question id: 1650

#Section 2: General Biology

Recombination of V, D, and J Ig gene segments:
TLS Online TPP Program

#Question id: 1651

#Section 2: General Biology

Ig idiotypes are found: