Upgrade to remove ads
Only $35.99/year

quiz stuff cell final

Terms in this set (20)

which one is not a function of the tight junction area of the cells?
involves kinase phosphorylation and phosphatase dephospho-rylation to regulate target protein activity
True/false: Desmosomes a protein which link intermediate filament cytoskeletons between neighboring cells
true
Cell- adhesion molecules (Cams) have differential binding affinity regarding cell-cell association. Heterotypically binding affinity indicates:
Association of cells of different type
Which one of the following can function as both CAMs, as well as adhesion receptors
integrins
Extracellular matrix (ECM) anchors epithelial cells to their substrate and the major components of ECM are:
Proteins and Polysaccharides
Which of the following statements regarding Cadherins is false?
Cadherin diversity is expanded by the dimerization of distinct chain types
Which one of the following is not a multidomain Extracellular matric (ECM) protein?
lamin A
Which of the following incorrectly matches an ECM component with its function or characteristic?
Laminin is a specialized proteoglycan important for cross-linking components of the basal lamina
Matrisome refers to:
a list of all the proteins in any given matrix and a larger list of all the proteins can contribute to matrices in different situations
Which one of the following statement is not correct about proteoglycan?`
CHECK Proteoclycan forms a barrier to macromolecules and prevents transport in the tight junction region of cell adhesion
which of the following statement regarding hematopoietic stem cells differentiation is false?
HSCs generate all types of blood cells, but not erythocytes
WHat of the following definitions is incorrect?
Progenitor cells are generally capable of giving rise to all cells of a single tissue type
True/False: Neoblasts are a type of totipotent stem cell in planeria (flatworm) have the ability to differentiate and regenerate the tail after amputation
true
There are three master transcription factors regulates pluripotency of ES cells. Which of the three of the following are the correct transcription factors to maintain stem cell properties?
Oct 4, Sox2, Nanog
Which one of the following is true about asymmetric division of stem cells?
A stem cell produces one differentiated cell and one stem cell
Other sets by this creator