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TLS Online TPP Program

#Question id: 1972

Clonal selection implies that

#Unit 4. Cell Communication and Cell Signaling

  1. brothers and sisters have similar immune responses.

  2. antigens increase mitosis in specific lymphocytes.

  3. only certain cells can produce interferon.

  4. a B cell has multiple types of antigen receptors.

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TLS Online TPP Program

#Question id: 5626

#Unit 5. Developmental Biology

The main function of fimbriae of oviduct are ________
TLS Online TPP Program

#Question id: 5627

#Unit 5. Developmental Biology

Activation of flagellar movement occur, when sperm sense the
TLS Online TPP Program

#Question id: 5628

#Unit 5. Developmental Biology

In sea urchins, the acrosome reaction is initiated by-
TLS Online TPP Program

#Question id: 5629

#Unit 5. Developmental Biology

The second part of the acrosome reaction involves the extension of the acrosomal Process, this extension occur by
TLS Online TPP Program

#Question id: 5630

#Unit 5. Developmental Biology

The entrance of multiple sperm is called as
TLS Online TPP Program

#Question id: 5631

#Unit 5. Developmental Biology

A change in the electric potential of the egg cell membrane occurs immediately upon the entry of a sperm in the process