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Questions and Answers

What is a critical component of adherens junctions

E-cadherin (correct)
Fibronectin
Focal adhesion kinase
Protein A

GAP-junctions:

Contain a group of proteins named connexins b. Gap-junctions allow the passage of ions to travel between cells synchronising the contractions of the heart c. Gap-junctions are a type of cell-cell junctions Gap-junctions are important components of the electrical synapse (correct)
Gap-junctions are important components of the electrical synapse
Gap-junctions are a type of cell-cell junctions
Gap-junctions allow the passage of ions to travel between cells synchronising the contractions of the hea

Which statement is true about FAK?

FAK does not phosphorylate intracellular substrates
FAK can integrate signals from integrins and RTKs and are overexpressed in cancer (correct)
Is constitutively active in children above 10
Is lost during ageing

What are two functions of tight junctions?

Barrier function and selective function (D) Signup and view all the answers

What is true about innate immunity?

Innate immunity protects against infections and provides the early line of response against pathogens, it involves macrophages, neutrophils, eosinophils, basophils, mast cells, and dendritic cells. b. Natural barriers such as skin are also part of the innate immunity c. The innate immune system uses a diversity of cellular receptors to recognise and respond to pathogens. d. Innate immunity receptors bind pathogen surfaces directly and often bind to repeating patterns, for example, of carbohydrate or lipid moieties, that are characteristic of microbial surfaces but are not found on host cells Natural barriers such as skin are also part of the innate immunity (A) Signup and view all the answers