In skeletal muscle, 

The desmin filaments encircle the Z disk and are cross-linked to the plasma membrane. 

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#Unit 2. Cellular Organization

Cohesins are composed of four subunits: 

Smc1, Smc3, Scc1, and Scc3

TLS Online TPP Program

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#Unit 8. Inheritance Biology

Steps in determining gene order in a three-point cross 

Identify the non-recombinant progeny

Identify the double-crossover progeny

Compare the phenotypes of double-crossover progeny with the phenotypes of non- recombinant progeny

The characteristic that differs between the double crossover and the non-recombinant progeny is encoded by the middle gene

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#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

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#Unit 3. Fundamental Processes

The mismatch repair system of E. coli includes at least 12 protein components (Table) that function either in strand discrimination or in the repair process itself.

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#Unit 4. Cell Communication and Cell Signaling

Noncoding RNAs, especially microRNAs, play a critical role in tumorigenesis:

Let-7 miRNAs

miR-15-a 

miR-16-1

miR-21