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TLS Online TPP Program

#Question id: 4253

The most commonly occurring mutation in people with cystic fibrosis is a deletion of a single codon. What is the result of this type of mutation?

#Unit 3. Fundamental Processes

  1. a base-pair substitution

  2. a frameshift mutation

  3. a polypeptide missing an amino acid

  4. a nonsense mutation

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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
TLS Online TPP Program

#Question id: 1322

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions are specialized cell junctions that form by linking the …………to transmembrane proteins known as ……………..
TLS Online TPP Program

#Question id: 1323

#Unit 4. Cell Communication and Cell Signaling

Which of the following proteins forms channels that permit electrical communication between cells across gap junctions?
TLS Online TPP Program

#Question id: 1324

#Unit 4. Cell Communication and Cell Signaling

What are the two major proteins that comprise tight junctions?