A modification of the agglutination reaction, called agglutination inhibition, provides a highly sensitive assay for small quantities of an antigen. For example, one of the early types of home pregnancy test kits included latex particles coated with human chorionic gonadotropin (HCG) and antibody to HCG.

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#Id: 9892

#Unit 4. Cell Communication and Cell Signaling

Pattern recognition

Families of PRRs (TLRs, CLRs, RLRs, and NLRs) recognize a wide variety of PAMP (and DAMP) ligands.

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#Id: 794

#Unit 3. Fundamental Processes

Rho activity is impeded when ribosomes are translating an mRNA.

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#Id: 8337

#Unit 2. Cellular Organization

Profilin – G-actin nucleotide exchange (ADP to ATP) 

Cofilin – F-actin disassembly

Thymosin B-4 – G-actin monomer sequestering

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#Unit 7. System Physiology – Animal

During adolescence, Spermatogonia, mature into primary spermatocytes 

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#Id: 9555

#Unit 11. Evolution and Behavior

Populational change is Darwin’s hypothesis that evolution occurs by changes in the proportions (frequencies) of different variant kinds of individuals within a population.