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TLS Online TPP Program

#Question id: 2337

Centrioles may have originated as

#Unit 2. Cellular Organization

  1. a unique arrangement of microtubules found in some prokaryotic species.

  2. protein fibers produced by ribosomes in some eukaryotic cells.

  3. protozoans that formed an endosymbiotic relationship with primitive aerobic prokaryotes.

  4. spirochetes that became involved in an endosymbiotic relationship.

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TLS Online TPP Program

#Question id: 1316

#Unit 4. Cell Communication and Cell Signaling

Many second messengers (e.g., cyclic AMP, IP3, and Ca2+) can be transferred between cells through:
TLS Online TPP Program

#Question id: 1317

#Unit 4. Cell Communication and Cell Signaling

Which of the following statement is true for the gap junctions?
TLS Online TPP Program

#Question id: 1318

#Unit 4. Cell Communication and Cell Signaling

Pore- like connections between adjacent cells is an example of
TLS Online TPP Program

#Question id: 1319

#Unit 4. Cell Communication and Cell Signaling

Desmosomes is composed of
TLS Online TPP Program

#Question id: 1320

#Unit 4. Cell Communication and Cell Signaling

Junction that prevents two cell compartments from mixing is
TLS Online TPP Program

#Question id: 1321

#Unit 4. Cell Communication and Cell Signaling

Gap junction allows exchange of