A dendritic cell is an antigen-processing cell with long cytoplasmic processes.
Indicate whether the statement is true or false
Question 2
Which of the following statements about cystic fibrosis of the pancreas is INCORRECT?
A. The normal gene (CFTR) regulates the transfer of salt and water in and out of epithelial cells through ion channels on the cell membrane.
B. Gene mutations lead to thick mucus secretions that block pancreatic ducts, leading to atrophy and fibrosis of enzyme-secreting pancreatic cells and cystic dilation of the obstructed ducts.
C. Affected persons are prone to pulmonary infections and impaired absorption of nutrients.
D. With proper treatment, affected persons have a normal life expectancy.
E. Many different CFTR gene mutations have been described.
Diagram of a flagellate stramenopile cell, showing characteristic flagellar hairs.
Antibody techniques. The specific reaction of an antibody with its antigen
All living organisms descended from a common ancestral cell
Variations in the extent of dendritic branching.
Rapid, long-distance signaling in plants
Proposed steps for transformation of a bacterial cell by exogenous DNA